'Malpais' definitions:

Definition of 'Malpais'

From: GCIDE
  • Malpais \Mal"pais`\, n. [Cf. Sp. mal, malo, bad, and pa['i]s country.] (Geol.) The rough surface of a congealed lava stream. [Southwestern U. S.] [Webster 1913 Suppl.]