gesticulation
definition
a gesture made to express meaning or emphasize speech
example
His gesticulation became increasingly animated as he described the excitement of the adventure.
synonyms
gesturesignmotion
word origin — The word 'gesticulation' comes from the Latin 'gesticulatio', which is derived from 'gesticulari', meaning 'to gesticulate', from 'gesticulus', meaning 'a movement or gesture'.