Old English l?ccan "to grasp or seize," from Proto-Germanic *lakkijanan. Not found in other Germanic languages; probably from PIE *(s)lagw- "to seize" (see analemma). In its original sense the verb was paralleled in Middle English and then replaced by French import catch (v.). Meaning "to fasten with a latch" is mid-15c. Related: Latched; latching.
latch (n.)
a fastening for a door, etc., late 13c., probably from latch (v.).
例文
1. You left the latch off the gate and the dog escaped.
ラッチを差し込んでいないので、犬は逃げてしまった。
2.Foley followed Albert through the gate,taking care to close the latch .