Word: horsebacks
Part of speech: Noun
Syllables: horse
backs
Definition: Plural of horseback; on the back of a horse
Morphemes:
Affix: horse
Language: en
PoS: Verb
Meaning: To get on horseback.
Affix: back
Language: en
PoS: Verb
Meaning: To get upon the back of; to mount.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).