parent

American  

[pair-uhnt, par-] / ˈpɛər ənt, ˈpær- /

noun

1. a father or a mother.

2. an ancestor, precursor, or progenitor.

3. a source, origin, or cause.

4. a protector or guardian.

5. Biology. any organism that produces or generates another.

6. Physics. the first nuclide in a radioactive series.

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adjective

1. being the original source.

   a parent organization.

2. Biology. pertaining to an organism, cell, or complex molecular structure that generates or produces another.

   parent cell;

   parent DNA.

verb (used with object)

1. to be or act as parent of.

   to parent children with both love and discipline.

parent British  

/ ˈpɛərənt /

noun

1. a father or mother

2. a person acting as a father or mother; guardian

3. rare an ancestor

4. a source or cause

5. 1. an organism or organization that has produced one or more organisms or organizations similar to itself

   2. ( as modifier )

      a parent organism

6. physics chem

   1. a precursor, such as a nucleus or compound, of a derived entity

   2. ( as modifier )

      a parent nucleus

      a parent ion

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Other Word Forms

• nonparent noun
• parenthood noun
• parentless adjective
• parentlike adjective

Etymology

Origin of parent

First recorded in 1375–1425; late Middle English, from Middle French, from Latin parent-, stem of parēns, noun use of present participle of parere “to bring forth, breed”

Example Sentences

But the late 1990s merger between Mercedes-Benz parent Daimler and Chrysler hardly led to a turnaround for the namesake brand.

From The Wall Street Journal • Apr. 4, 2026

That risk increases to 10 percent if a parent or sibling is affected, and rises to 50 percent for identical twins.

From Science Daily • Apr. 3, 2026

Custody was typically granted to one parent - in most cases the mother - who had power to cut off the other parent's access to their children.

From BBC • Apr. 1, 2026

Its client list includes Sempra, the parent company of SoCalGas, which opposed the clean air standards, which would have encouraged the sale of pollution-free heat pumps and threatened the utility’s business.

From Los Angeles Times • Apr. 1, 2026

I get it now—it's probably not a good idea to take on new expenses when one parent is scrounging for hours at a hardware store—but back then, I was so angry.

From "Wayward Creatures" by Dayna Lorentz

Related Words

• father
• mother