1. afternoon(n = noun.time) Array - the part of the day between noon and evening; "he spent a quiet afternoon in the park"
is a kind of day, daylight, daytime
has parts: midafternoon
2. afternoon(n = noun.communication) good afternoon - a conventional expression of greeting or farewell; Array
is a kind of farewell, word of farewell, greeting, salutation
The part of the day which follows noon, between noon and evening. [1913 Webster]
afternoon, attrib. n. & int.
--n.
1 the time from noon or lunch-time to evening (this afternoon; during the afternoon; afternoon tea).
2 this time spent in a particular way (had a lazy afternoon).
3 a time compared with this, esp. the later part of something (the afternoon of life).
--int. = good afternoon (see GOOD adj. 14).
N evening, eve, decline of day, fall of day, close of day, candlelight, candlelighting, eventide, nightfall, curfew, dusk, twilight, eleventh hour, sunset, sundown, going down of the sun, cock-shut, dewy eve, gloaming, bedtime, afternoon, postmeridian, p, m, autumn, fall, fall of the leaf, autumnal equinox, Indian summer, St. Luke's summer, St. Martin's summer, midnight, dead of night, witching hour, witching hour of night, witching time of night, winter, killing time, vespertine, autumnal, nocturnal, midnight, the outpost of advancing day, sable-vested Night, this gorgeous arch with golden worlds inlay'd.