Helix

he'liks, n. pi. Hei/ices, -i-sez. A spiral line, as of wire in a coil; something spiral. (Arch.) A little volute under the abacus of the Corinthian capital: see Capital. (Anat.) The whole circuit or extent of the external border of the ear see Ear. (Zobl.) A spiral univalve shell, as of a snail. [L. and Gr., a curl, spiral, fr. Gr. he li ein, to turn round L. volvere, to rol E. volute, q.v.]— Hel' ical, a. Of, or pert, etc.; spiral. — Hellcoid, a. (Geom.) A warped surface generated by a straight line moving in a certain manner.— a. Helices (Zool.). Spiral; curved like the spire of a univalve shell. [Gr. eidos, shape.] — Hemispheric, -sfer'ik, -ical, a. Spiral. [Gr. sphairikos, spiral.]