One of a heterogeneous group of food bodies with a pear-like luster and high concentration of lipids, apparently used by plants to attract and support ants: A pearl body devolops from the epidermis of leaves, petioles, and certain sprouts and branches of plants.

One of a heterogeneous group of food bodies with a pearl-like luster and high concentration of lipids (fatty acids), apparently used by plants to attract and to support ants.