Obs. rare–1. [a. Fr. appentis, OF. apentis, nom. of apentif, f. apendre, 3 sing. apent (see APPEND v.1), by form-assoc. w. adjs. in -tis, -tif:—L. -tīvus, tīvum: cf. APPRENTICE. Hence aphetic PENTICE, corrupted to PENTHOUSE.] A lean-to building, a penthouse.
1616. Surfl. & Markh., Countr. Farm, 18. Ouer against the porch of the Barne, you shall make a place of a competent height, in manner of an Appentice, to set your Ploughes, [etc.].
