Defn: Ossification of the dermis.

DERN
Dern, n. Etym: [Etymol. uncertain.]

Defn: A gatepost or doorpost. [Local Eng.] C. Kingsley.

DERN
Dern, a. Etym: [See Dearn, a.]

1. Hidden; concealed; secret. [Obs.] "Ye must be full dern." Chaucer.

2. Solitary; sad. [Obs.] Dr. H. More.

DERNE
Derne, v. t. & i. Etym: [AS. dyrnan to hide. See Dern, a., Dearn, a.]

Defn: To hide; to skulk. [Scot.]
He at length escaped them by derning himself in a foxearth. H.
Miller.

DERNFUL
Dern"ful, a.

Defn: Secret; hence, lonely; sad; mournful. [Obs.] "Dernful noise."
Spenser.