the vernal equinox.
noun, Ballet. 1. a position of the feet in which the heels are back to back and the toes point out to the sides.
noun 1. See under 2 (def 7). [pohst] /poʊst/ noun 1. a position of duty, employment, or trust to which one is assigned or appointed: a diplomatic post. 2. the station or rounds of a person on duty, as a soldier, sentry or nurse. 3. a military station with permanent buildings. 4. a local unit […]
noun 1. any axiom, law, or abstraction assumed and regarded as representing the highest possible degree of generalization. noun (usually pl) 1. one of the fundamental assumptions on which a particular theory or procedure is thought to be based 2. an axiom of a mathematical or scientific theory
noun, Astronomy. 1. the instant, approximately one week after a new moon, when one half of the moon’s disk is illuminated by the sun. noun 1. one of the four principal phases of the moon, occurring between new moon and full moon, when half of the lighted surface is visible from earth Compare last quarter