last quarter
phase of the Moon where the lunar disc visible from Earth is 50% lit, on the part pointing to the East; waning half moon
en-GB/læst ˈkwɔːtə/
en-US/ˈlɔst ˈkwɑɹtɚ/
phase of the Moon where the lunar disc visible from Earth is 50% lit, on the part pointing to the East; waning half moon