Definitions for "Latchplate"
The metal portion of the vehicle belt assembly that connects to the buckle and through which the webbing is threaded; the insertion tip is also called the "tongue." See Free-sliding latchplate, Cinching latchplate, Lockability, Locking latchplate, Switchable latchplate.
The part of the buckle mechanism that slides into the buckle; usually the part that affects the length of the belt. Switchable latchplates have a lock button to allow the seatbelt to be locked around the child safety seat.