a chain

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 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

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

(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

counter for pills or tablets

a chain, to link together / to close off, block

adder (viper)

a chain with a weight on one or both ends, such as might be used on a pulley to help lift loads / (weaponry) a Japanese martial arts chain weapon, consisting of or based on such a weighted chain

chainsaw