Apsidal
Pronunciation : Ap"si*dal
Part of Speech : a.
Definition : 1. (Astron.)
Defn: Of or pertaining to the apsides of an orbit.
2. (Arch.)
Defn: Of or pertaining to the apse of a church; as, the apsidal termination of the chancel.
Source : Webster's Unabridged Dictionary, 1913