| Definition/Meaning | Word/Phrase |
| one twelfth of an acre-foot |
acre inch
|
| sixth month of the civil year; the twelfth month of the ecclesiastic year in the Jewish calendar (in February and March) |
Adar
|
| unit of apothecary weight equal to 480 grains or one twelfth of a pound |
apothecaries' ounce
,
ounce
,
troy ounce
|
| twelfth month of the year |
December
|
| twelfth month of the Islamic calendar and the season of the haj; has one extra day in leap years |
Dhu'l-Hijja
,
Dhu'l-Hijjah
,
Dhu al-Hijja
,
Dhu al-Hijjah
|
| twelfth month of the civil year; the sixth month of the ecclesiastical year in the Jewish calendar (in August and September) |
Ellul
,
Elul
|
| twelfth night |
Epiphany
|
| twelfth sign of the zodiac; the sun is in this sign from about February 19 to March 20 |
Fish
,
Pisces
,
Pisces the Fishes
|
| twelfth month of the Revolutionary calendar (August and September); the month of fruit |
Fructidor
|
| unit of length equal to one twelfth of a foot |
in
,
inch
|
| twelfth letter of the English Language |
l
|
| one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae |
lumbar vertebra
|
| twelfth month of the Hindu calendar |
Phagun
,
Phalguna
|
| one-twelfth of a solar or tropical year |
solar month
|
| eve of Twelfth day; evening of January 5 |
Twelfth night
|