1. [ verb ] fasten with a latch

"latch the door"

Related terms: fasten
2. [ noun ] spring-loaded doorlock that can only be opened from the outside with a key
Synonyms: door_latch
Related terms: lock
3. [ noun ] Last name, frequency rank in the U.S. is 17692
4. [ noun ] catch for fastening a door or gate; a bar that can be lowered or slid into a groove
Related terms: catch
Similar spelling:   lattice