n. The time of day or night when the moon begins to rise over the horizon.
the GNU version of the Collaborative International Dictionary of English
n. The rising of the moon above the horizon; also, the time of its rising.
The Century Dictionary and Cyclopedia
n. The rising of the moon, or its appearance above the horizon.
Word Usage
"It was night, and she must have lain some time there all alone, for there was a silvery, misty something through the darkness, the white dawn of moonrise, which is not like the dawn of day, nor like the departing twilight."