Defn: A measure or series consisting of five feet.

PENTAPTOTE
Pen"tap*tote, n. Etym: [L. (pl.) pentaptota. Gr. Penta-) + (Gram.)

Defn: A noun having five cases.

PENTAPTYCH
Pen"tap*tych, n. Etym: [Penta- + Gr. (Fine Arts)

Defn: A picture, or combination of pictures, consisting of a centerpiece and double folding doors or wings, as for an altarpiece.

PENTARCHY
Pen"tar*chy, n. Etym: [Gr. pentarchie. See Penta-, and -archy.]

Defn: A government in the hands of five persons; five joint rulers.
P. Fletcher. "The pentarchy of the senses." A. Brewer.

PENTASPAST
Pen"ta*spast, n. Etym: [L. pentaspaston, Gr. Penta-) + pentaspaste.]

Defn: A purchase with five pulleys. [R.]

PENTASPERMOUS
Pen`ta*sper"mous, a. Etym: [Penta- + Gr. (Bot.)