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Cres·cent (krĕsənt)
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A trademark for an adjustable open-end wrench.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 
cres·cent (krĕsənt)
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n.
1. The figure of the moon as it appears before its first quarter phase or after its third quarter phase, with concave and convex edges terminating in points.
2.
a. A curved street.
b. A curved block of buildings, especially row houses, forming a continuous facade.
3. A curved pastry.
adj.
1. Crescent-shaped.
2. Waxing, as the moon approaching its first quarter phase; increasing.

[Middle English cressaunt, from Anglo-Norman, variant of Old French creissant, from present participle of creistre, to grow, from Latin crēscere; see ker-2 in the Appendix of Indo-European roots.]

cres·centic (krə-sĕntĭk) adj.

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:

    Indo-European Roots

    Semitic Roots

    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.

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