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teem 1 (tēm)
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v. teemed, teem·ing, teems
v.intr.
1. To be full of things; abound or swarm: A drop of water teems with microorganisms.
2. Obsolete To be or become pregnant; bear young.
v.tr.
Archaic
To give birth to.

[Middle English temen, to beget, bear, from Old English tīeman, tēman; see deuk- in the Appendix of Indo-European roots.]

teemer n.
teeming·ly adv.

Synonyms: teem1, abound, overflow, swarm1
These verbs mean to be abundantly filled or richly supplied: The street teemed with pedestrians. The garden abounds with flowers. The house overflowed with guests. The parade route swarmed with spectators.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
teem 2 (tēm)
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v. teemed, teem·ing, teems
v.intr.
To rain hard or heavily; pour.
v.tr.
To pour out or empty: teemed the molten ore into a huge mold.

[Middle English temen, to drain, from Old Norse töma.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.