English Dictionary

Next in order after the eleventh; coming after eleven others; -- the ordinal of twelve.
Source : opted (163997)  - auto

Consisting, or being one of, twelve equal parts into which anything is divided.
Source : opted (163998)  - auto

The quotient of a unit divided by twelve; one of twelve equal parts of one whole.
Source : opted (163999)  - auto

The next in order after the eleventh.
Source : opted (164000)  - auto

An interval comprising an octave and a fifth.
Source : opted (164001)  - auto