Origin: 1870–75; < Neo-LatinPolygonace(ae) (Polygon(um) the type genus (< Greekpolýgonon knotgrass, literally, something with many joints; see poly-, knee, -gon) + -aceae-aceae) + -ous
of, relating to, or belonging to the Polygonaceae, a chiefly N temperate family of plants having a sheathing stipule (ocrea) clasping the stem and small inconspicuous flowers: includes dock, sorrel, buckwheat, knotgrass, and rhubarb
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a chattering or flighty, light-headed person.
the offspring of a zebra and a donkey.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
the offspring of a zebra and a donkey.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.