a word, clause, or sentence inserted as an explanation or afterthought into a passage that is grammatically complete without it, in writing usually makred off by curved brackets, dashes, or commas.
- a pair of round brackets () used to mark off a parenthetical word or phrase.
- an interlude or interval.
"the three months of coalition government were a lamentable political parenthesis"
'I write it down on the papaer in parenthesis.'
