n.; pl. E. Calxes L. Calces [ L. Calx, calcis. limestone; cf. Gr. &unr_; gravel. &unr_;, &unr_;, pebble, Skr. &unr_; gravel, Ir. carraic rock Gael. carraig, W. careg, stone. Cf. Chalk. ] [ 1913 Webster ]

1. (Chem.) (a) Quicklime. [ Obs. ] (b) The substance which remains when a metal or mineral has been subjected to calcination or combustion by heat, and which is, or may be, reduced to a fine powder. [ 1913 Webster ]

☞ Metallic calxes are now called oxides. [ 1913 Webster ]

2. Broken and refuse glass, returned to the post.

‖n. [ L., a sickle. ] (Anat.) A curved fold or process of the dura mater or the peritoneum; esp., one of the partitionlike folds of the dura mater which extend into the great fissures of the brain. [ 1913 Webster ]

n. (Bot.) A genus of plants consisting of one species; a dwarf creeping mat-forming evergreen herb.
Syn. -- genus Helxine, Soleirolia, genus Soleirolia. [ WordNet 1.5 ]

adj. the Roman numeral representation of sixty; six times ten; -- a determinate quantifier.
Syn. -- sixty, 60, threescore. [ WordNet 1.5 ]

adj. the Roman numeral representation of seventy; seven times ten; -- a determinate quantifier.
Syn. -- seventy, 70. [ WordNet 1.5 ]

adj. the Roman numeral representation of eighty; eight times ten; -- a determinate quantifier.
Syn. -- eighty, 80, fourscore. [ WordNet 1.5 ]