'Terra firma' definitions:

Definition of 'terra firma'

From: WordNet
noun
The solid part of the earth's surface; "the plane turned away from the sea and moved back over land"; "the earth shook for several minutes"; "he dropped the logs on the ground" [syn: land, dry land, earth, ground, solid ground, terra firma]

Definition of 'Terra firma'

From: GCIDE
  • Terra \Ter"ra\, n. [It. & L. See Terrace.] The earth; earth. [1913 Webster]
  • Terra alba [L., white earth] (Com.), a white amorphous earthy substance consisting of burnt gypsum, aluminium silicate (kaolin), or some similar ingredient, as magnesia. It is sometimes used to adulterate certain foods, spices, candies, paints, etc.
  • Terra cotta. [It., fr. terra earth + cotta, fem. of cotto cooked, L. coctus, p. p. of coquere to cook. See Cook, n.] Baked clay; a kind of hard pottery used for statues, architectural decorations, figures, vases, and the like.
  • Terrae filius [L., son of the earth], formerly, one appointed to write a satirical Latin poem at the public acts in the University of Oxford; -- not unlike the prevaricator at Cambridge, England.
  • Terra firma [L.], firm or solid earth, as opposed to water.
  • Terra Japonica. [NL.] Same as Gambier. It was formerly supposed to be a kind of earth from Japan.
  • Terra Lemnia [L., Lemnian earth], Lemnian earth. See under Lemnian.
  • Terra ponderosa [L., ponderous earth] (Min.), barite, or heavy spar.
  • Terra di Sienna. See Sienna. [1913 Webster]

Synonyms of 'terra firma'

From: Moby Thesaurus