DIDACTICS
Di*dac"tics, n.

Defn: The art or science of teaching.

DIDACTYL
Di*dac"tyl, n. Etym: [Gr. didactyle.] (Zoöl.)

Defn: An animal having only two digits.

DIDACTYLOUS
Di*dac"tyl*ous, a. (Zoöl.)

Defn: Having only two digits; two-toed.

DIDAL
Di"dal, n.

Defn: A kind of triangular spade. [Obs.]

DIDAPPER
Di"dap`per, n. Etym: [For divedapper. See Dive, Dap, Dip, and cf.
Dabchick.] (Zoöl.)

Defn: See Dabchick.