Lewis Short
(verb) : mantĭcŭlor, 1, manticula; lit., to be busied with purses; hence
* To steal (ante- and post-class.): cum utrem ventosissimum manticularentur,App. Mag. 55, p. 309, 36.
* Transf., to act slyly, go cunningly to work: manticularum usus pauperibus in nummis recondendis etiam nostro saeculo fuit. Unde manticulari dicebantur, qui furandi gratiā manticulos attrectabant. Inde poëtae pro dolose quid agendo usi sunt eo verbo, etc., Pac. ap. Fest. p. 133 Müll. (Trag. Rel. v. 376 Rib.).
Charlton T. Lewis, Charles Short, A Latin Dictionary