English version

half moon

From Longman Dictionary of Contemporary Englishhalf moonˌhalf ˈmoon noun [countable]  TTSthe shape of the moon when only half of it is showing full moon, new moon(1)
Examples from the Corpus
half moonThe moon, a half moon polished thin at the edges, swam low and gave a little light.Granny flew high above the roaring treetops, under a half moon.A half moon shone through the dark, flying clouds on to the wild and empty moor.
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