Definify.com

Webster 1913 Edition

Adj.

[L.

dirigens

, p. pr. of

dirigere

. See

Adj.

]

Directing.

Baxter.

Noun.

(Geom.)

The line of motion along which a describent line or surface is carried in the genesis of any plane or solid figure; a directrix.

Hutton.

, DIRECTRIX,

Noun.

[See Direct.] In geometry, the line of motion along which the describent line or surface is carried in the generation of any plane or solid figure.