Word: portsill
Part of speech: Noun
Syllables: port
sill
Definition: A horizontal wooden member that forms the sill of a gunport.
Morphemes:
Affix: port
Language: en
PoS: Noun
Meaning: An opening or doorway in the side of a ship, especially for boarding or loading; an embrasure through which a cannon may be discharged; a porthole.
Etymology Compounds: Affix: portus
Language: la
Decoded: portus
Meaning: port, harbour
Affix: sill
Language: en
PoS: Noun
Meaning: (also window sill) breast wall; window breast; horizontal brink which forms the base of a window.