资料来源 : Webster's Revised Unabridged Dictionary (1913)

Gestural \Ges"tur*al\, a.
   Relating to gesture.

资料来源 : WordNet®

gestural
     adj 1: used of the language of the deaf [syn: {sign(a)}, {signed},
            {sign-language(a)}]
     2: being other than verbal communication; "the study of
        gestural communication"; "art like gesture is a form of
        nonverbal expression" [syn: {nonverbal}]