What is the meaning of Sear?

Dry; withered, especially of vegetation.

To char, scorch, or burn the surface of (something) with a hot instrument.

To wither; to dry up.

To make callous or insensible.

To mark permanently, as if by burning.

A scar produced by searing

Part of a gun that retards the hammer until the trigger is pulled.

eastern, east

painful

pain

wound

Source: wiktionary.org