噛 - chew, bite, gnaw

to bite

to bite (at); to snap at

to crunch; to masticate

to chew thoroughly; to bite (e.g. one's lip)

chewing tobacco

to stifle a smile, yawn, etc.

superficial knowledge; smattering

overbite

to ram one's opponent head-first in the initial charge

grinding of the teeth; involuntary nocturnal tooth grinding; bruxism

to mesh (of gears, cogs, etc.); to engage with each other; to meet (of teeth); to occlude

while fumbling one's words; with a stutter