1. A dress.
2. A long loose outer garment, as that worn by artists and craftspeople; a smock.
3. A woolen garment formerly worn by sailors; a jersey.
4. A robe worn by monks, friars, and other clerics; a habit.
tr.v. frocked, frock·ing, frocks
1. To clothe in a frock.
2. To invest with clerical office.
[Middle English frok, a monk's habit, from Old French froc, from Medieval Latin froccus, of Germanic origin.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.