Mawson, C.O.S., ed. (18701938). Rogets International Thesaurus. 1922.
Class I. Words Expressing Abstract Relations
Section VI. Time
2. Time with reference to a particular Period
125. Morning. [Noon.]
NOUN:
MORNING, morn, matins [eccl.], morningtide [rare or poetic], forenoon, a.m., prime, dawn, daybreak; dayspring, foreday [chiefly Scot.], sun-up [U. S.], peep of day, break of day; aurora; first blush of the morning, first flush of the morning, prime of the morning; twilight, crepuscle or crepuscule, sunrise; daylight, daypeep, cockcrow, cockcrowing; the small hours, the wee sma hours [Scot.].
NOON, midday, noonday, noontide, meridian, prime; nooning, noontime.
SPRING, springtide, springtime, seedtime; vernal equinox.
SUMMER, summertide, summertime, midsummer.
ADJECTIVE:
MATIN, matutinal, matinal, matutinary [rare]; crepuscular.
NOON, noonday, midday, meridional [rare in this sense].
SPRING, vernal, vernant [obs.].
SUMMER, æstival or estival.
ADVERB:
AT SUNRISE &c. n.; with the lark, when the morning dawns.