Word: winder
Part of speech: Noun
Syllables: wind
er
Definition: One of the steps of a spiral staircase (as opposed to a flyer, or straight step).
Morphemes:
Affix: wind
Language: en
PoS: Noun
Meaning: The act of winding or turning; a turn; a bend; a twist.
Affix: -er
Language: en
PoS: Suffix
Meaning: Used to form diminutives.