Macrobij, People in Affrike, the which of Pomponius be also called Meroeni. Theyr country is inuiroued with the riuer of Nilus, like an ylande. They liue halfe as much longer as men do here, and be faire and goodly personnges, reuerende, and louers of vertue. There is more golde than in Persia, and therefore that whiche is lesse precious, they doe more esteeme, decking themselues with ornamentes of copper and brasse, and making gyues of gold. They do liue commonlye an hundred and twentie yeares, and do wash themselues in a fountaine whiche causeth their bodies to smell like Violets.
Macrobius, The name of a great learned man.
Lewis and Short: Latin dictionary
Macrŏbĭi (Macrŏbĭoe, Schol. Juv. 10, 150), ōrum, m., = *makro/bioi (longlived). I.A people of Æthiopia, Mel. 3, 9, 1; Plin. 6, 30, 35, 190; 7, 2, 2, 28; Val. Max. 8, 13, 5ext.—II.The inhabitants of Apollonia, in Macedonia, Plin. 4, 10, 17, 37.
Măcrŏbĭus, ii, m., = *makro/bios (living long): Aurelius Macrobius Ambrosius Theodosius, a Roman grammarian at the end of the fourth century, author of a commentary on Cicero's Somnium Scipionis, and of a treatise entitled Convivia Saturna lia, cf. Jan. Proleg. ad Macr. p. 1 sq.