lunar day

noun
a division of time that is equal to the elapsed time between two consecutive returns of the same terrestrial meridian to the moon.

Origin:
1680–90

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
lunar day

noun
the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days) 
WordNet® 3.0, © 2006 by Princeton University.
Cite This Source Link To lunar day
Example sentences
However, there's more: the amount of water detected changed over the month-long lunar day.
The tide ebbs and flows twice in each lunar day, or the space of a little more than twenty-four hours.
The situation gets interesting where the two sides meet at the terminator-the moving line between lunar day and night.
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