M / mūrēnŭla
noun

mūrēnŭla

gen. mūrēnŭlae · gender feminine · decl. 1st
(), , dim. 1. murena.
A small murena
A small murena (late Lat.): murenulam strictis manibus tenere, Hier. praef. in Job.—
a small necklace resembling a murena by extension
Transf., a small necklace resembling a murena: aurum colli sui, quod quidem murenulam vulgus vocat, Hier. Ep. 24, 3; id. in Isa. 2, 3, 18.