n. [ L. adverbium; ad + verbum word, verb: cf. F. adverbe. ] (Gram.) A word used to modify the sense of a verb, participle, adjective, or other adverb, and usually placed near it;
a. [ L. adverbialis: cf. F. adverbial. ] Of or pertaining to an adverb; of the nature of an adverb;
n. The quality of being adverbial. Earle. [ 1913 Webster ]
v. t. To give the force or form of an adverb to. [ 1913 Webster ]
adv. In the manner of an adverb. [ 1913 Webster ]