Word: mainstay
Part of speech: Noun
Syllables: main
stay
Definition: A stabilising rope from the top of the mainmast to the bottom of the foremast.
Morphemes:
Affix: main
Language: en
PoS: Noun
Meaning: Short for mainsail; the lowermost sail on the mainmast
Affix: stay
Language: en
Meaning: rope