ଅର୍ଥ : The first event in a series.
ଉଦାହରଣ :
She played Chopin for her opener.
The season's opener was a game against the Yankees.
ଅର୍ଥ : A person who unfastens or unwraps or opens.
ଉଦାହରଣ :
Children are talented undoers of their shoelaces.
ସମକକ୍ଷ : undoer, unfastener, untier
ଅର୍ଥ : A hand tool used for opening sealed containers (bottles or cans).