Definition of latch

• v. t. - To smear; to anoint.
• n. - That which fastens or holds; a lace; a snare.
• n. - A movable piece which holds anything in place by entering a notch or cavity; specifically, the catch which holds a door or gate when closed, though it be not bolted.
• n. - A latching.
• n. - A crossbow.
• n. - To catch so as to hold.
• n. - To catch or fasten by means of a latch.