from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Becoming gradually less; waning.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Becoming gradually less; diminishing.
- adj. Waning.
- n. A crescent oriented with horns turned to sinister (pointing right).
from the GNU version of the Collaborative International Dictionary of English
- adj. Becoming less by gradual diminution; decreasing.
- n. A crescent with the horns directed towards the sinister.
from The Century Dictionary and Cyclopedia
- Decreasing; becoming gradually less; waning, as the moon.
- Specifically— In heraldry, decreasing or waning: said of the moon when represented with the points toward the sinister side. Also decours.
- In botany, diminishing gradually from below upward.
- n. In heraldry, the moon in her decrement: used as a bearing. See decrement, 3.
Latin dēcrēscēns, dēcrēscent-, present participle of dēcrēscere, to decrease; see decrease.(American Heritage® Dictionary of the English Language, Fourth Edition)
From decressant, from Anglo-Norman, present participle of decrestre ("to decrease") (Wiktionary)