6. (Zoöl.) (a) The anterior surface or oral area of coelenterate animals, as of sea anemones. (b) The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk. (c) In owls, the space around the eyes. Disk engine, a form of rotary steam engine. — Disk shell (Zoöl.), any species of Discina.
DISK CLUTCH
Disk clutch. (Engin.)
Defn: A friction clutch in which the gripping surfaces are disks or more or less resemble disks.
DISKINDNESS
Dis*kind"ness, n.
Defn: Unkindness; disservice. [R.] A. Tucker.
DISKLESS
Disk"less, a.
Defn: Having no disk; appearing as a point and not expanded into a disk, as the image of a faint star in a telescope.
DISLADE
Dis*lade", v. t.
Defn: To unlade. [Obs.] Heywood.
DISLEAL
Dis*leal", a. Etym: [See Disloyal, Leal.]