'Calcareous' definitions:
Definition of 'calcareous'
From: WordNet
adjective
Composed of or containing or resembling calcium carbonate or calcite or chalk [syn: calcareous, chalky]
Definition of 'Calcareous'
From: GCIDE
- Calcareous \Cal*ca"re*ous\, a. [L. calcarius pertaining to lime. See Calx.] Partaking of the nature of calcite or calcium carbonate; consisting of, or containing, calcium carbonate or carbonate of lime. [1913 Webster]
- Calcareous spar. See as Calcite. [1913 Webster]