Twelfth-night :: Twelfth-night (n.) The evening of Epiphany, or the twelfth day after Christmas, observed as a festival by various churches..
Twelfth-second :: Twelfth-second (n.) A unit for the measurement of small intervals of time, such that 1012 (ten trillion) of these units make one second..
Twelfthtide :: Twelfthtide (n.) The twelfth day after Christmas; Epiphany; -- called also Twelfth-day.
Twelve :: Twelve (a.) One more that eleven; two and ten; twice six; a dozen.
Twelve :: Twelve (n.) The number next following eleven; the sum of ten and two, or of twice six; twelve units or objects; a dozen..
Twelve :: Twelve (n.) A symbol representing twelve units, as 12, or xii..