wont (32) accustomed: used predicatively.
orison (145) a prayer.
Prime (170) a part of the Divine Office orig. assigned to the first hour of daylight; Milton uses Prime in the sense of dawn, the first hour of daylight.
quaternion (181) a set of four.
Hail (385) a greeting, used by Raphael specifically to suggest the same greeting the angel of the Annunciation will used when he comes to Mary in Luke i, 28.
progeny (503) children, descendants, or offspring.
ineffable (734) too overwhelming to be expressed or described in words.
