Middle English latche (“a latch”), from lacchen (“to seize”), from Old English læċċan (“to grasp, take hold of, catch, seize”), from Proto-Germanic *lakjaną, *lakwijaną, *lakkijaną (“to seize”), from Proto-Indo-European *(s)lag-, *(s)lagw- (“to take, seize”).
latch (plural latches)
- A fastening for a door that has a bar that fits into a notch or slot, and is lifted by a lever or string from either side.
- A flip-flop electronic circuit
- (obsolete) A latching.
- (obsolete) A crossbow.
- (obsolete) That which fastens or holds; a lace; a snare.
- (Can we find and add a quotation of Rom. of R to this entry?)
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- To close or lock as if with a latch
- To catch; lay hold of
- Where hearing should not latch them. — Shakespeare, MacBeth, Act IV