Word: strongback
Part of speech: Noun
Syllables: strong
back
Definition: The fore-and-aft spar extending from stem to stern on a lifeboat and serving as a raised spreader for a boat cover. (FM 55-501)
Morphemes:
Affix: strong
Language: en
PoS: Adjective
Meaning: Capable of withstanding great physical force.
Affix: back
Language: en
PoS: Noun
Meaning: The keel and keelson of a ship.