1. (a.) Having numerous openings; irregularly reticulated; as, fenestrate membranes; fenestrate fronds.
2. (a.) Having transparent spots, as the wings of certain butterflies.
| Fenestrate 1. (a.) Having numerous openings; irregularly reticulated; as, fenestrate membranes; fenestrate fronds. 2. (a.) Having transparent spots, as the wings of certain butterflies. | |