Opener - Definition
opener
n 1: the first event in a series; "she played Chopin for her
opener"; "the season's opener was a game against the
Yankees"
2: a person who unfastens or unwraps or opens; "children are
talented undoers of their shoelaces" [syn: undoer,
opener, unfastener, untier]
3: a hand tool used for opening sealed containers (bottles or
cans)