'Parenthetically' definitions:
Definition of 'parenthetically'
From: WordNet
adverb
In a parenthetical manner; "he added parenthetically that he would not attend the wedding ceremony"
Definition of 'Parenthetically'
From: GCIDE
- Parenthetically \Par`en*thet"ic*al*ly\, adv. In a parenthetical manner; by way of parenthesis; by parentheses. [1913 Webster]