Old English læccan "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.).
实用例句
1. You left the latch off the gate and the dog escaped.
你没把门闩插上，所以狗跑了。
来自柯林斯例句
2. Foley followed Albert through the gate, taking care to close the latch.
