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adj. Of, relating to, or shaped like a pentagon

adj. Having five corners or angles.

Having five corners or angles. Also pentagonous.

n. In echinoderms, the nerve-ring, which connects the five ambulacral nerves.

adj. of or relating to or shaped like a pentagon

"Occupying the whole southern face of the pentagonal was the sole window -- an immense sheet of unbroken glass from Venice -- a single pane, and tinted of a leaden hue, so that the rays of either the sun or moon passing through it, fell with a ghastly luster on the objects within."

pentagonal réseau    pentagonal dodecahedron    élie de beaumont's pentagonal system   

pentagon    Pentagon   

heptagonal    tetragonal    icosahedral    cxcrcisc    hexahedral