| 1. | that is or may be estimated by quantity. |
| 2. | of or pertaining to the describing or measuring of quantity. |
| 3. | of or pertaining to a metrical system, as that of classical verse, based on the alternation of long and short, rather than accented and unaccented, syllables. |
| 4. | of or pertaining to the length of a spoken vowel or consonant. |