From Middle English latche (“a latch”, noun), from lacchen (“to seize, catch, grasp”, verb), from Old English læċċan (“to grasp, take hold of, catch, seize”), from Proto-Germanic *lakjaną, *lakwijaną, *lakkijaną (“to seize”), from Proto-Indo-European *(s)leh₂g-, *(s)leh₂gʷ- (“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 The Romaunt of the Rose to this entry?)
- A breastfeeding baby's connection to the breast.
- (databases) A lightweight lock to protect internal structures from being modified by multiple concurrent accesses.
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.
- To close or lock as if with a latch
- To catch; lay hold of
- Where hearing should not latch them. — Shakespeare, MacBeth, Act IV