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A plant that has many, or more than two, cotyledons in the seed. -- Pol`y*cot`y*led"on*ous, a.

Government by many rulers; polyarchy.

ies. The skeleton is composed of silica, and is often very elegant in form and sculpture. Many have been found in the fossil state.

Having many distinct sources; originating at various places or times. 2. (Biol.) Of or pertaining to polygenesis; polyphyletic. Polygenetic mountain range (Geol.), one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development. Dana.

Consisting of, or containing, many kinds; as, a polygenous mountain. Kirwan.

Versed in, or speaking, many languages.

Speaking many languages; polyglot. [R.] "The polyglottous tribes of America." Max Müller.

A plane figure having many angles, and consequently many sides; esp., one whose perimeter consists of more than four sides; any figure having many angles. Polygon of forces (Mech.), a polygonal figure, the sides of which, taken successively, represent, in length and direction, several forces acting simultaneously upon…

Having many angles. Polygonal numbers, certain figurate numbers. See under Figurate.

A figure consisting of many lines. [R.] Barlow.

Much writing; writing of many books. [Obs.] Fuller.

Having many grooves; as, a polygrooved rifle or gun (referring to the rifling).

A Linnæan order of plants having many styles.

Having many styles; belonging to the order Polygynia.

Having many sides, as a solid body. Polyhedral angle, an angle bounded by three or more plane angles having a common vertex.

A body or solid contained by many sides or planes.

Pertaining to polymathy; acquainted with many branches of learning.

One versed in many sciences; a person of various learning.

The knowledge of many arts and sciences; variety of learning. Johnson.

Having many parts or members in each set. Gray.