To provide with windows or window-like openings; to create fenestrae or openings in something.
From Latin 'fenestra' (window) plus the verb suffix '-ate'; means to make something window-like or to add windows to a structure.
When a surgeon performs certain delicate operations, they might fenestrate a membrane to allow proper healing—they're literally creating small 'windows' to let things work properly!
Complete word intelligence in one call. Free tier — 50 lookups/day.