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a. A building material made by grinding calcined limestone and clay to a fine powder, which can be mixed with water and poured to set as a solid mass or used as an ingredient in making mortar or concrete.
b. Portland cement.
c. Concrete.
2. A substance that hardens to act as an adhesive; glue.
3. Something that serves to bind or unite: "Custom was in early days the cement of society" (Walter Bagehot).
4. Geology A chemically precipitated substance that binds particles of clastic rocks.
5. Dentistry A substance used for filling cavities or anchoring crowns, inlays, or other restorations.
6. Variant of cementum.
v. ce·ment·ed, ce·ment·ing, ce·ments
1. To bind with or as if with cement.
2. To cover or coat with cement.
To become cemented.
in cement
Firmly settled or determined; unalterable: The administration's position on taxes was set in cement despite the unfavorable public response.

[Middle English, from Old French ciment, from Latin caementum, rough-cut stone, rubble used in making concrete, from caedere, to cut; see kaə-id- in Indo-European roots.]

ce·ment′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Ramesh Vishram is motoring well in his Cementer Racing Ford Escort Mark2, lying a comfortable 15th overall on his fourth Classic Rally.
Suggesting that the move could be a 'cementer' for regional co-operation, experts expressed satisfaction over the four governments' buoyant attitude towards streamlining the 7.6-billion dollar project.
1C, (Gmelin, 1792) 10) Lyonsia Burrower SEM Truncated conical spikes floridana observation in radial rows Conrad, 1849 Lyonsia hyalina Burrower Prezant Truncated conical spikes Conrad, 1831 (1979) in radial rows Entodesma Epibyssate SEM No spikes observed navicula (Adams nestler observation & Reeve, 1850) Mytilimeria Nestling in SEM No spikes observed nutalli Conrad, ascidians observation 1837 Myochamidae Myochama Cementer SEM Few spikes on unattached anomioides observation left valve Stutchbury, 1830 Myadora brevis Burrower SEM Radial rows of spikes Sowerby, 1829 observation (Fig.