O is a 1 letter word which starts with the letter O and ends with the letter O for which we found 5 definitions.
Definition |
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- O the fifteenth letter of the English alphabet derives its form value and name from the Greek O through the Latin. The letter came into the Greek from the Ph/nician which possibly derived it ultimately from the Egyptian. Etymologically the letter o is most closely related to a e and u; as in E. bone AS. ban; E. stone AS. stan; E. broke AS. brecan to break; E. bore AS. beran to bear; E. dove AS. d/fe; E. toft tuft; tone tune; number F. nombre. |
- Among the ancients O was a mark of triple time from the notion that the ternary or number 3 is the most perfect of numbers and properly expressed by a circle the most perfect figure. |
(n.) The letter O or its sound. |
(n.) Something shaped like the letter O; a circle or oval. |
(n.) A cipher; zero. |