bollard
A strong vertical post of timber or iron, fixed to the ground and/or on the deck of a ship, to which the ship's mooring lines etc are secured.
A similar post preventing vehicle access to a pedestrian area, to delineate traffic lanes, or used for security purposes.

bollards
plural of bollard

bolo
A long, heavy, single-edged machete.
A type of punch; an uppercut.

bolos
plural of bolo

boltsprit
Alternative form of bowsprit.

boltsprits
plural of boltsprit

bombline
A line or limit beyond which aircraft may make attacks on the enemy without risking damage to their own troops.

bomblines
plural of bombline

bomboat
Alternative form of bumboat.

bomboats
plural of bomboat

bombrack
Alternative form of bomb rack.

bombracks
plural of bombrack

bondings
plural of bonding

boneyard
A graveyard.
In the game of dominoes, the pile of upside-down pieces that have yet to be used.
A dumpsite for obsolete or unusable aircraft etc; a junkyard.
An area scraped down to the mineral soil, so that smouldering material can be placed there without starting another fire.

boneyards
plural of boneyard

bookbus
A bookmobile.

bookcraft
Authorship; literary skill.

bookhood
Knowledge of books; scholarship.
The state or dignity of a book.

bookmobile
A mobile library; especially, a large van designed to transport a portion of some library's collection.

bookmobiles
plural of bookmobile

bookplate
A printed piece of paper pasted on one of the pages of a book, most often on the inside front cover, showing ownership and thus deterring theft.

bookplates
plural of bookplate

boomcar
A car with aftermarket audio-components designed to achieve an unusually loud volume and often to be heard from outside the vehicle (such as having speakers in the trunk or directly on the exterior).

boomcars
plural of boomcar.

boomkin
Alternative form of bumkin.

boomkins
plural of boomkin

boomvang
Alternative spelling of boom vang

booties
plural of booty

bootlid
Synonym of trunklid.

bootlids
plural of bootlid

bootload
As much as the boot of a car can hold; a trunkload.
The work done by a boot loader; the startup of an operating system.

bootloads
plural of bootload

bootscans
plural of bootscan

bootstripe
A stripe of paint or tape between the topsides and bottom of a vessel.

bootstripes
plural of bootstripe

bootyholes
plural of bootyhole

borabenzene
A heteroaromatic compound in which a carbon atom of a benzene ring has been replaced by one of boron

borafluorene
A heteroaromatic compound in which a carbon atom of a fluorene has been replaced by one of boron

borapyridine
A heteroaromatic compound in which a carbon atom of a pyridine ring has been replaced by one of boron

borinene
An alkene that includes a benzene ring with one of the carbon atoms replaced by a boron atom.

borinenes
plural of borinene

borrowage
Synonym of suretyship

borrowship
Synonym of suretyship

bosn
Alternative form of bosun.

bosns
plural of bosn

boson
A particle with totally symmetric composite quantum states, which exempts them from the Pauli exclusion principle, and that hence obeys Bose-Einstein statistics. They have integer spin. Among them are many elementary particles, and some (gauge bosons) are known to carry the fundamental forces. Compare fermion.

bosons
plural of boson

bosun
Alternative form of boatswain (“warrant or petty officer on board a naval ship”).

bosuns
plural of bosun

botel
a floating hotel; a boat that acts as a hotel

botels
plural of botel

bottomries
plural of bottomry

bottomry
An early form of maritime contract in which the owner of a ship could borrow money using the ship as collateral.

bouillotte
A rapidly-played variety of brelan or gleek (a card game resembling poker)

bouks
plural of bouk.

boundaries
plural of boundary

boundary
The dividing line or location between two areas.
The bounds, confines, or limits between immaterial things (such as one’s comfort zone, privacy, or professional sphere and the realm beyond).
An edge or line marking an edge of the playing field.
An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (four) or 6 (six) runs respectively for the batting team.
(of a set) The set of points in the closure of a set S, not belonging to the interior of that set.
Commission paid by a bus or jeepney driver to a public transportation operator for taking passengers, or the excess collected fares taken as daily wage.

bower
A bedroom or private apartments, especially for a woman in a medieval castle.
A dwelling; a picturesque country cottage, especially one that is used as a retreat.
A shady, leafy shelter or recess in a garden or woods.
A large structure made of grass, twigs, etc., and decorated with bright objects, used by male bower birds during courtship displays.

bowers
plural of bower

bowgrace
A frame or fender made of rope or junk (old cordage), hung over the sides or bow (front) of a vessel to avoid it getting damaged.

bowgraces
plural of bowgrace

bowman
A man who uses a bow; an archer.

bowndaries
plural of bowndary

bowndary
Obsolete form of boundary.

bowpicker
A gillnet boat that deploys the net from the bow of the boat.

bowpickers
plural of bowpicker

bowre
Obsolete form of bower.

bowres
plural of bowre

bowrider
A kind of runabout boat with an open bow area.

bowriders
plural of bowrider

bowser
A fuel metering/delivery pump at a filling station.
A road vehicle (often a trailer) for the transport of liquid fuel, particularly aviation fuel at an airfield.
A mobile water tank deployed to distribute fresh water in emergency situations where the normal system of piped distribution has broken down or is insufficient.
A buffoon or imbecile.

bowsers
plural of bowser

bowside
Right-hand side of a rowing boat.

bowsie
A simple device with three holes used for tensioning stays on boats or guy-lines on tents.
Alternative spelling of bowsy (“lout”).

bowsies
plural of bowsie
plural of bowsy

bowsman
A sailor who works in the bow of a vessel.

bowsmen
plural of bowsman

bowsprit
A spar projecting over the prow of a sailing vessel to provide the means of adding sail surface.

bowsprits
plural of bowsprit

bowswoman
A female archer.
A female sailor who works in the bow of a vessel.

bowswomen
plural of bowswoman

bowwoman
A female archer.

bowwomen
plural of bowwoman

boxcab
a locomotive in which the machinery and crew areas are enclosed in a box-like superstructure

boxcabs
plural of boxcab

boxcars
Double six in a dice game with two dice.

boxship
Synonym of container ship.

boxships
plural of boxship

boylover
A pedophile, hebephile, or ephebophile who is attracted to boys.

boyships
plural of boyship.

boyslash
Slash fiction that focuses on romantic and/or sexual relationships between male characters.

boywife
A young male assuming the employment of homemaking, a role traditionally assumed by women; the submissive partner in the relationship who receives great pleasure in "taking care" of his more dominant partner.

boywives
plural of boywife

bracera
A tradition type of coastal sailboat around the Adriatic Sea.

braceras
plural of bracera

brachinine
Any beetle of the carabid subfamily Brachininae.

brachinines
plural of brachinine

braditroph
Misspelling of bradytroph.

bradytroph
A strain of an organism or cell tissue that exhibits slow metabolism.

bradytrophs
plural of bradytroph

bragozzo
A kind of wooden sailing boat from the Adriatic, often used for fishing, having a wide hull and a flat bottom with a large rudder and no keel.

bragozzos
plural of bragozzo

brakeage
The braking of a vehicle.

brakeforce
The force applied to a vehicle's brakes.

brakeforces
plural of brakeforce

brakegear
The mechanical parts of the braking system on locomotives and other rolling stock.

brakeline
Alternative form of brake line.

brakelines
plural of brakeline