tr.v. ceiled, ceil·ing, ceils
1. To provide or cover with a ceiling.
2. Nautical To provide (a ship) with interior planking or lining.
[Middle English celen, probably from Old French *celer, from Latin caelāre, to carve, from caelum, chisel; see CAELUM.]
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 Appendices
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.