Pol"y*grooved` (?), a. [Poly- + groove.] Having many grooves; as, a
polygrooved rifle or gun (referring to the rifling).
Pol"y*gyn (?), n. [Cf. F. polygyne. See Polygyny.] (Bot.) A plant of
the order Polygynia.
||Pol`y*gyn"i*a (?), n. pl. [NL. See Polygyny.] (Bot.) A LinnÊan order
||of plants having many styles.
{ Pol`y*gyn"i*an (?), Po*lyg"y*nous (?), } a. (Bot.) Having many
styles; belonging to the order Polygynia.
Po*lyg"y*nist (?), n. One who practices or advocates polygyny. H.
Spenser.
Po*lyg"y*ny (?), n. [Poly- + Gr. &?; woman, wife.] The state or
practice of having several wives at the same time; marriage to several
wives. H. Spenser.
Pol`y*ha"lite (?), n. [Poly- + Gr. &?; salt.] (Min.) A mineral usually
occurring in fibrous masses, of a brick-red color, being tinged with
iron, and consisting chiefly of the sulphates of lime, magnesia, and
soda.
{ Pol`y*he"dral (?), Pol`y*hed"ric*al (?), } a. [See Polyhedron.]
(Geom.) Having many sides, as a solid body.
Polyhedral angle, an angle bounded by three or more plane angles having
a common vertex.
Pol`y*he"dron (?), n.; pl. E. Polyhedrons. (#), L. Polyhedra (#). [NL.,
fr. Gr. &?; with many seats or sides; poly`s many + &?; a seat or side:
cf. F. polyËdre.] 1. (Geom.) A body or solid contained by many sides or
planes.