See knife.

1. A cutting implement having two crossed pivoting blades; SYN. pair of scissors.
2. A wrestling hold in which one wraps one's legs around the opponent's body and put one's feet together and squeeze.

ETYM Old Eng. knif, as. cnîf; akin to Dutch knijf, Icel. knîfr, Swed. knif, Dan. kniv.
(Irregular plural: knives).
1. A cutting instrument with a sharp-edged pointed metal blade with a handle.
2. A weapon with a handle and blade with a sharp point.

A pocketknife with a spring-operated blade; SYN. switchblade knife.

One who examines, one who evaluates