Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

four-o'clock

3 ENTRIES FOUND:

four–o'clock

noun \ˈfr-ə-ˌkläk\

Definition of FOUR-O'CLOCK

: 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

First Known Use of FOUR-O'CLOCK

1756

Browse

Next Word in the Dictionary: four–o'clock family
Previous Word in the Dictionary: four–oared
All Words Near: four-o'clock

Seen & 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).