gibbous (‘gi-bəs)

2019-05-27T08:00:12-04:00

Definition 1) a. marked by convexity or swelling  b. of the moon or a planet : seen with more than half but not all of the apparent disk illuminated 2) having a hump : humpbacked In Context "About one-quarter up from the horizon to the point overhead will be a waxing gibbous moon, illuminated 93 percent by the sun." Joe Rao, Space.com, "The Moon Has a Close Encounter with Saturn on Tuesday Night," 23 July 2018