Word: horseplay
Part of speech: Noun
Syllables: horse
play
Definition: Rough or rowdy play that can often result in unintentional physical harm.
Morphemes:
Affix: horse
Language: en
PoS: Verb
Meaning: To frolic, to act mischievously. (Usually followed by "around".)
Affix: play
Language: en
PoS: Noun
Meaning: The conduct, or course, of a game.