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Webster 1913 Edition

Noun.

[F.

appentis

a penthouse. See

A penthouse.

[Obs.]

Sir H. Wotton.

Noun.

[L. pendo, to bend.] A sloping roof. [Little used.]

pentice ‎(plural pentices)

An extension of a building's roof and the protected area beneath. An appentice.
A covered walkway.
(mining) An unexcavated portion of a shaftway, intended to afford protection from falling debris to workers at the bottom of the shaft during certain stages of mining.

extension of a building's roof