Definition of "lunisolar" [lu•ni•so•lar]

• Of or caused by both the sun and the moon. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The Muslim calendar is lunar, the Gregorian is solar, but the Jewish and Chinese calendars are lunisolar, meaning that they try to cram 12 months into a tropical year."
• "The Chinese calendar is a lunisolar, incorporating elements of a lunar calendar with those of a solar calendar."
• "Star festivals are celebrated in several Asian countries including Japan, China, Vietnam, and Korea in summer, on the seventh day of the seventh month or the eighth month if going by the Chinese lunisolar calendar."