four–o'clock

play
noun \ˈfȯr-ə-ˌkläk\

Definition of four–o'clock

  1. :  any of a genus (Mirabilis) of chiefly American annual or perennial herbs (family Nyctaginaceae, the four-o'clock family) having apetalous flowers with a showy involucre simulating a calyx; especially :  a garden plant (M. jalapa) with fragrant yellow, red, or white flowers opening late in the afternoon

1756

First Known Use of four–o'clock

1756


Seen and Heard

What made you want to look up four–o'clock? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a Mesopotamian temple tower

Get Word of the Day daily email!