Squar-rōse', a.

adjective

a. [Lat. squarrosus, perhaps scurfy, scabby.] (Nat. Hist.) Ragged, or full of loose scales or projecting parts; rough; jagged: as, (a.) Consisting of scales widely divaricating; having scales, small leaves, or other bodies, spreading widely from the axis on which they are crowded; — said of a calyx or stem. (b.) Divided into shreds or jags, raised above the plane of the leaf, and not parallel to it; — said of a leaf. (c.) Having scales spreading every way, or standing upright, or at right angles to the surface; — said of a shell.

A botanical drawing of a stem with branches bearing squarrose leaves.
Squarrose Leaves.