intr.v. peeked, peek·ing, peeks
1. To glance quickly.
2. To look or peer furtively, as from a place of concealment.
3. To be only partially visible, as if peering or emerging from hiding: Tiny crocuses peeked through the snow.
A brief or furtive look.
[Middle English piken, perhaps alteration of Middle Dutch kieken, variant of kīken.]
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.