to make or use gestures, esp. in an animated or excited manner with or instead of speech.
–verb (used with object)
2.
to express by gesturing.
Origin: 1595–1605; < L gesticulātus (ptp. of gesticulārī), equiv. to LL (assumed in L) gesticul(us) gesture (dim. of gestus;see gestic, -cule1) + -ātus-ate1
1601, from pp. stem of L. gesticulari "to gesture, mimic," from gesticulus "a mimicking gesture," dim. of gestus "gesture, carriage, posture" (see gest).