opener

/ˈoʊpənɚ/ · 3 syllables

Meaning

noun

1. the first event in a series
   “she played Chopin for her opener”
2. a person who unfastens or unwraps or opens
   “children are talented undoers of their shoelaces”
3. a hand tool used for opening sealed containers (bottles or cans)

Synonyms for opener

• undoer
• unfastener
• untier