The period between successive new moons (29.531 days).

synonyms: lunar month, moon, synodic month.

Roget 108: period, age, era; second, minute, hour, day, week, month, quarter, year, decade, decenniumm lustrum^†, quinquennium, lifetime, generation; epoch, ghurry^†, lunation^†, moon.    century, millennium; annus magnus [Lat.].    ... show more

Dutch: maansomloop, maan, lunatie
Polish: lunacja, miesiąc synodyczny