mĕlisphyllum

i, n.
I. balm-gentle, balm (also called apiastrum): trita melis phylla, et cerinthae ignobile gramen, Verg. G. 4, 63; Plin. 20, 11, 45, § 116; 21, 20, 86, § 149.
Lewis & Short
A Latin Dictionary, 1879
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