口

mouth

opening; hole; gap; orifice

mouth (of a bottle); spout; nozzle; mouthpiece

gate; door; entrance; exit

speaking; speech; talk (i.e. gossip)

taste; palate

mouth (to feed)

opening (i.e. vacancy); available position

invitation; summons

kind; sort; type

opening (i.e. beginning)

counter for mouthfuls, shares (of money) and stove burners

counter for swords, blades, etc.