Common names: left paren; left parenthesis; left; open;

paren (")" = thesis); open paren; open parenthesis; left

parenthesis; left banana. Rare: so (")" = already); lparen;

ITU-T: opening parenthesis; open round bracket, left round

bracket, INTERCAL: wax (")" = wane); parenthisey (")" =

unparenthisey); left ear.