Definition of violaceous in English:

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violaceous

Pronunciation: /ˌvīəˈlāSHəs/

adjective

1Of a violet color.
Example sentences
  • A 40-year-old man presented with a violaceous-rimmed ulceration on his inner thigh.
  • Gottron's papules, violaceous papules overlying the dorsal interphalangeal or metacarpophalangeal areas, elbow or knee joints, occur in approximately 70 percent of patients with dermatomyositis.
  • Lividity is distributed dorsally, is the usual violaceous color, and blanches with light pressure.
2 Botany Relating to or denoting plants of the violet family (Violaceae).
Example sentences
  • The gleba is violaceous brown, marbled with numerous veins of two kinds.

Origin

Mid 17th century: from Latin violaceus (from viola 'violet') + -ous.

For editors and proofreaders

Syllabification: vi·o·la·ceous

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