English edit

Etymology edit

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Why "quarter", when it's half-lit? And why is this one considered the "first"?”)

Noun edit

first quarter (plural first quarters)

  1. (astronomy) The waxing lunar phase, from new moon to half way between new moon and full moon.

Antonyms edit

Related terms edit

Translations edit