cal·ends also kal·ends  (kāl'əndz, kā'ləndz)  n. pl. calends also kalends The day of the new moon and the first day of the month in the ancient Roman calendar. [Middle English kalendes, from Latin kalendae; see kelə-2 in Indo-European roots.] ca·len'dal (kə-lěn'dəl) adj. |