Found 2 items, similar to terra firma.
English → English (WordNet) Definition: terra firma terra firma n : 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 ]
English → English (gcide) Definition: Terra firma 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. Terr[ae] 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]