LAT

Lewis Short

mŏnarcha (noun M) = μονάρχης:
* An absolute ruler, a monarch (poet.): caeruli monarcha ponti, Vet. poët. ap. Mar. Victor. p. 2551 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary

TLL

s. TLL
Thesaurus Linguae Latinae
memory