|1.||[ noun ] time for Earth to make a complete rotation on its axis|
|Synonyms:||twenty-four_hours mean_solar_day solar_day|
"two days later they left" "they put on two performances every day" "there are 30,000 passengers per day"
|Related terms:||time_unit date date yesterday tomorrow today morrow eve night hour noon|
|2.||[ noun ] some point or period in time|
"it should arrive any day now" "after that day she never trusted him again" "those were the days" "these days it is not unusual"
|Related terms:||time day_of_reckoning Judgment_Day off-day|
|3.||[ noun ] the time after sunrise and before sunset while it is light outside|
"the dawn turned night into day" "it is easier to make the repairs in the daytime"
|Related terms:||night time_period afternoon evening midafternoon morning|
|4.||[ noun ] a day assigned to a particular purpose or observance|
|Related terms:||calendar_day anniversary holiday New_Year's_Eve payday wedding_day Flag_Day Halloween polling_day Nov_5 May_Day Walpurgis_Night Robert_E_Lee's_Birthday Tet Armed_Forces_Day Father's_Day rag_day V-day Midsummer_Eve school_day saint's_day washday Valentine_Day Lincoln's_Birthday Groundhog_Day commencement_day Washington's_Birthday Texas_Independence_Day field_day St_Patrick's_Day April_Fools' Jefferson_Davis'_Birthday field_day Inauguration_Day Citizenship_Day American_Indian_Day United_Nations_Day April_14 Patriot's_Day ides Mother's_Day speech_day market_day leap_day Arbor_Day red-letter_day november_5 Admission_Day|
|5.||[ noun ] (work) the recurring hours when you are not sleeping (especially those when you are working)|
"my day began early this morning" "it was a busy day on the stock exchange" "she called it a day and went to bed"
|Related terms:||work_time workday|
|6.||[ noun ] an era of existence or influence|
"in the day of the dinosaurs" "in the days of the Roman Empire" "in the days of sailing ships" "he was a successful pianist in his day"
|7.||[ noun ] a period of opportunity|
"he deserves his day in court" "every dog has his day"
|8.||[ noun ] the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis|
"how long is a day on Jupiter?"
|Related terms:||time_period lunar_day|
|9.||[ noun ] Last name, frequency rank in the U.S. is 245|
|10.||[ noun ] (writing) United States writer best known for his autobiographical works (1874-1935)|
|11.||[ noun ] the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day|
|Related terms:||sidereal_time time_unit|