What is "fenestrate"

Fenestrate \Fe*nes"trate\, a. [L. fenestratus, p. p. of fenestrare to furnish with openings and windows.]

1. Having numerous openings; irregularly reticulated; as, fenestrate membranes; fenestrate fronds.

2. (Zo["o]l.) Having transparent spots, as the wings of certain butterflies.

1. 1 fenestrated 2 Having numerous openings; irregularly reticulated. 3 (context zoology English) Having transparent spots, like the wings of certain butterflies. v

2. (context surgery English) Cut an opening into