To bore through; pierce; make a hole or holes in, as by boring or driving.Synonyms Bore through, Pierce, etc. See penetrate.Bored or pierced through: penetrated.Specifically— In botany, pierced with one or more small holes, or, more commonly, having translucent dots which resemble holes, as in most plants of the order Hypericineæ.In ornithology, noting the nostril of a bird when lacking a nasal septum, so that a hole appears from side to side of the bill, as in the turkey-buzzard, crane, etc.In anatomy, open; opened through; affording passage or communication; having the character or quality of a perforation; forminateIn zoology, full of little holes or perforations; cribrose; foraminulate; specifically, of or pertaining to the Perforata: as, a perforate coral; a perforate foraminifer.Of the shells of gastropod mollusks, having a tubular cavity extending through the columella from the umbilicus to the apex: contrasted with imperforate, in which case the columella is solid.