1. (Bot.)
Defn: Having the basal part produced around the stem; — said of leaves which the stem apparently passes directory through.
2. (Zoöl.)
Defn: Surrounded by a circle of hairs, or projections of any kind.
PERFORATA Per`fo*ra"ta, n. pl. Etym: [NL. See Perforate.] (Zoöl.) (a) A division of corals including those that have a porous texture, as Porites and Madrepora; — opposed to Aporosa. (b) A division of Foraminifera, including those having perforated shells.
PERFORATE
Per"fo*rate, v. t. [imp. & p. p. Perforated; p. pr. & vb. n.
Perforating.] Etym: [L. perforatus, p.p. of perforare to perforate;
per through + forare to bore. See Bore, v.]
Defn: To bore through; to pierce through with a pointed instrument; to make a hole or holes through by boring or piercing; to pierce or penetrate the surface of. Bacon.
PERFORATE; PERFORATED
Per"fo*rate, Per"fo*ra`ted, a.
Defn: Pierced with a hole or holes, or with pores; having transparent dots resembling holes.
PERFORATION
Per`fo*ra"tion, n. Etym: [Cf. F. perforation.]