Webster's Revised Unabridged Dictionary · 1913

Membranous

Membranous , adjective

[Compare French membraneux.]

1.
Pertaining to, consisting of, or resembling, membrane; as, a membranous covering or lining.
2.
(Botany) Membranaceous.
Collocations (1)
Membranous croup (Medicine) , true croup. See Croup.