(cryptozoology) A large hairy apelike, though upright walking, creature of North America; a Bigfoot.

plural of North American wood ape

(architecture) A semicircular projection from a building, especially the rounded east end of a church that contains the altar. / The bishop's seat or throne in ancient churches.

(obsolete or dialectal) An aspen tree.

(architecture) A recess or projection, with a dome or vault, at the east end of a church; an apse.

plural of apse

(astronomy) apsis

plural of apside / plural of apsis

(architecture) Of, pertaining to, or in the form of an apse. / (astronomy) Of or pertaining to the apsides.

(architecture) With regard to or by means of an apse or apses