opener opener

noun

() the first event in a series  ( opener )
the first event in a series
 she played Chopin for her opener
she played Chopin for her opener
 the season's opener was a game against the Yankees
the season's opener was a game against the Yankees

a hand tool used for opening sealed containers (bottles or cans)  ( opener )
a hand tool used for opening sealed containers (bottles or cans)

a person who unfastens or unwraps or opens  ( opener, undoer, unfastener, untier )
a person who unfastens or unwraps or opens
 children are talented undoers of their shoelaces
children are talented undoers of their shoelaces