Word: sternfast
Part of speech: Noun
Syllables: stern
fast
Definition: A rope or chain for making fast a ship's stern to a wharf, etc.
Morphemes:
Affix: stern
Language: en
PoS: Noun
Meaning: The rear part or after end of a ship or vessel.
Affix: fast
Language: en
PoS: Adjective
Meaning: Firmly or securely fixed in place; stable.