(pitch 0) a metal bar used to lock shut a gate, door, chest, or other opening / (pitch 0) a key used to lock or unlock such an opening / (pitch 1) a pill or tablet

a connection, linkage, or continuation / (rare) a chain / a string of items tied together / the part of the opening of a drawstring bag through which the string is passed

counter for pills or tablets

the closing and locking of a door or gate / a door or gate so closed and locked / a bar or other device used to lock a door or gate

a chain, linkage, or continuation / a lock or barrier

once again, once more

turn; turn around

turn

a turn, times around something

turn; revolve / return; go back / (dated) Hui; Islam / time; occasion / Alternative form of 蛔 (kai, “roundworm; intestinal worm”)