What is the meaning of Mosa?

Synonym of monni.

Alternative form of musa (bump, rock; (state of being) broken).

Rōmaji transcription of もさ

theft

to turn (something) into a mash or mush through pressure; to mash, to mush, to puree, to squash, etc.

to turn (something) into a crushed mess or the like; to crush, to squash, to squish, etc.

to crush, to cream (utterly defeat)

move, movement

Source: wiktionary.org