Term: bittern: relatively small compact tawny-brown heron with nocturnal habits and a booming cry; found in marshes
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: beechnut: small sweet triangular nut of any of various beech trees
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: early warning system: a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept them
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: excitation: something that agitates and arouses
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: pseudococcus: type genus of the Pseudococcidae
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: playsuit: a sports outfit for women or children; usually consists of shorts and a blouse
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: sign: a gesture that is part of a sign language
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: scallop: one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: eigenvalue: (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: marline: a small usually tarred line of 2 strands
Broader: heron: grey or white wading bird with long neck and long legs and (usually) long bill | Unrelated: lexicalized concept: a concept that is expressed by a word (in some particular language)