latch >> latʃ
Definition: [noun] a metal bar with a catch and lever used for fastening a door or gate.
Example: lifting the latch, she pushed the gate open
Definition: [noun] a circuit which retains whatever output state results from a momentary input signal until reset by another signal.
Definition: [verb] fasten (a door or gate) with a latch.
Example: she latched the door carefully
Definition: [verb] (of a device) become fixed in a particular state.
Example: the output relay can be set to latch at a preset value