Defn: A solid figure having five sides.
PENTAHEDROUS
Pen`ta*he"drous, a.
Defn: Pentahedral. Woodward.
PENTAIL
Pen"tail`, n. (Zoöl.)
Defn: A peculiar insectivore (Ptilocercus Lowii) of Borneo; — so called from its very long, quill-shaped tail, which is scaly at the base and plumose at the tip.
PENTALPHA
Pen*tal"pha, n. Etym: [NL., fr. Gr. pentalpha. See Penta-, and
Alpha.]
Defn: A five-pointed star, resembling five alphas joined at their bases; — used as a symbol.
PENTAMERA
Pen*tam"e*ra, n. pl. Etym: [NL. See Pentamerous.] (Zoöl.)
Defn: An extensive division of Coleoptera, including those that normally have five-jointed tarsi. It embraces about half of all the known species of the Coleoptera.
PENTAMERAN
Pen*tam"er*an, n. (Zoöl.)