Both Uses of

pantomime
in
The Count of Monte Cristo

From every street and every corner drove carriages filled with clowns, harlequins, dominoes, mummers, pantomimists, Transteverins, knights, and peasants, screaming, fighting, gesticulating, throwing eggs filled with flour, confetti, nosegays, attacking, with their sarcasms and their missiles, friends and foes, companions and strangers, indiscriminately, and no one took offence, or did anything but laugh.†
Chpt 35-36

"I understand," said Monte Cristo, well acquainted with Ali's pantomime; "you mean to tell me that three female attendants await their new mistress in her sleeping-chamber."
Chpt 45-46 *

pantomime = communication through gestures and body movements (without words)

Definitions:

(1) (pantomime)
a performance or expression of something through gestures and body movements without words
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

More rarely, pantomime, especially if qualified as Christmas pantomime can reference a humorous form of British theatre; or an ancient Roman type of theatre or the non-speaking actor it featured. On rare occasions, you may see the expression pantomime horse that refers to a horse costume worn by two people.