RhymeZone: fenestrate definitions

Definitions of fenestrate:

adjective: fenestrated
adjective: Having numerous openings; irregularly reticulated.
adjective: (zoology, botany) Having transparent spots, like the wings of certain butterflies.
verb: (surgery) To cut an opening into.
noun: (paleontology) Any extinct bryozoan in the order Fenestrida (also known as Fenestrata).

(Definitions from Wiktionary)