What is the meaning of Catcher?

Someone or something that catches.

The player who squats behind home plate and receives the pitches from the pitcher.

The bottom partner in a homosexual relationship or sexual encounter between two men.

A wrestler.

The webbed glove that the goaltender wears on the hand opposite the hand that holds the stick.

Short for mailcatcher (device for a moving train to pick up mail).

to wrestle

to catch

to catch, get (understand fully)

catcher

Source: wiktionary.org