latch
noun
a device for holding a door, gate, or the like, closed, consisting basically of a bar falling or sliding into a catch, groove, hole, etc.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As she turned to relatch the gate the blind man endeavoured politely to anticipate her.
From Max Carrados by Ernest Bramah