lucernal

Latin lucerna (“a lamp”).

lucernal (not comparable)

1. (archaic) Of, pertaining to, or using a lamp.

• lucernal microscope

• “lucernal”, in OneLook Dictionary Search.
• “lucernal”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• nucellar