opener

definition: a hand tool used for opening sealed containers (bottles or cans)
example:
speech part: noun
synonyms:
definition: the first event in a series
example: They played an etude for their opener.
speech part: noun
synonyms:
definition: a person who unfastens or unwraps or opens
example:
speech part: noun
synonyms: undoer unfastener untier

opener is explained and pronounced

How opener is being used?