ba·by·sit also ba·by-sit (bābē-sĭt′)
v. ba·by·sat (-săt′), ba·by·sit·ting, ba·by·sits also ba·by-sat or ba·by-sit·ting or ba·by-sits
1. To take care of a child or children in the absence of a parent or guardian.
2. To take care of or watch over someone or something needing attention or guidance.
1. To provide care for (a child) in the absence of a parent or guardian.
2. To watch over or tend: babysat the neighbor's plants for a week.
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.