gesticulation (n.) Look up gesticulation at Dictionary.com
early 15c., from Latin gesticulationem (nominative gesticulatio), noun of action from past participle stem of gesticulari "to gesture, mimic," from gesticulus "a mimicking gesture," diminutive of gestus "a gesture; carriage, posture," noun use of past participle of gerere "to bear, to carry" (see gest).