interlūnĭum

ĭi, n.

interlunis

I. the new moon, time of new moon, interlunary interval, Plin. 18, 32, 75, § 324; 7, 5, 4, § 38. —In plur., Hor. C. 1, 25, 11.
Lewis & Short
A Latin Dictionary, 1879
An open-access project