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Webster 1913 Edition

Adj.

(Anat.)

Relating to a member.

membral ‎(not comparable)

(now rare) Relating to a member, in various senses; especially, (anatomy, zoology) pertaining to a limb.
- 1603, John Florio, translating Michel de Montaigne, Essays, III.12:
  This man speakes of an unnaturall ill-favourdnesse and membrall deformity, but we call ill-favourdnesse a kinde of unseemelinesse at the first sight, which chiefely lodgeth in the face, and by the colour worketh a dislike in us.