/peuh ren"theuh suyz'/ , v.t., parenthesized, parenthesizing .
1. to insert (a word, phrase, etc.) as a parenthesis.
2. to put between marks of parenthesis: to parenthesize the pronunciation of a word.
3. to interlard with parenthetic remarks, as a speech.
Also, esp. Brit., parenthesise .
[ 1830-40; PARENTHES(IS) + -IZE ]