1. A thin, flat or convex slab of hard material such as baked clay or plastic, laid in rows to cover walls, floors, and roofs.
2. A short length of pipe made of clay or concrete, used in sewers and drains.
3. A hollow fired clay or concrete block used for building walls.
4. Tiles considered as a group: bought tile for the kitchen.
5. Games A marked playing piece, as in mahjong.
tr.v. tiled, til·ing, tiles
To cover or provide with tiles.
[Middle English, from Old English tigele, from Latin tēgula, from tegere, to cover; see (s)teg- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendicies
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.