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Study Dictionary
Afternoon
AFTERNOON [ISBE]
AFTERNOON - af-ter-noon' (neToth ha-yom, "the declining of the day"; Jdg 19:8 the King James Version): The expression kechom ha-yom, "in the heat of the day" (Gen 18:1) refers to the early afternoon when the sun is a little past its zenith, its rays still being very strong. The phrase le-ruach ha-yom, "in the cool of the day" (Gen 3:8) is in contrast to the last phrase and points to the late afternoon; in the Orient a cooling breeze arises at this period of the day, and it is then that much of the day's business is transacted.See DAY.
Also see definition of "Afternoon" in Word Study