Entomology definition of Pieza September 12, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Pieza Entomology definition of Pieza: the combined biting and sucking mouth of the Hymenoptera. Entomology Pieza definitionPieza Entomology explanationPieza Entomology meaningReviews & Comments