alveolate (al-VEE-uh-layt) - adj., pitted like a honeycomb.
Connotation is that the pits are not shallow, but are more like the cells of a honeycomb. Adopted in the 1830s from Latin alveolātus, forming a channel/hollowed, from alveolus, little cavity/pit/cell, from alveus, concave.
---L.