"(". ASCII character 40. 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. Paired with right parentheSiS (")"). (1995-03-06)