cement

Short definition from Wiktionary

Noun

1. 1
   A powdered substance produced by firing (calcining) calcium carbonate (limestone) and clay that develops strong cohesive properties when mixed with water. The main ingredient of concrete.
2. 2
   The paste-like substance resulting from mixing such a powder with water, or the rock-like substance that forms when it dries.
3. 3
   Any material with strong adhesive and cohesive properties such as binding agents, glues, grout.
4. 4
   A bond of union; that which unites firmly, as persons in friendship or in society.
5. 5
   The layer of bone investing the root and neck of a tooth; cementum.

Verb

1. 1
   To affix with cement.
2. 2
   To overlay or coat with cement.
3. 3
   To unite firmly or closely.
4. 4
   To make permanent.

Proper noun

1. 1
   A town in Oklahoma.