ovary

noun

ova·​ry ˈō-və-rē 

ˈōv-rē

plural ovaries

1

: one of the typically paired essential female reproductive organs that produce eggs and in vertebrates female sex hormones

2

: the enlarged rounded usually basal portion of the pistil or gynoecium of an angiospermous plant that bears the ovules and consists of one or more carpels see flower illustration

Examples of ovary in a Sentence

Recent Examples on the Web

The research team found that common viruses can damage a queen’s ovaries, reducing both her egg-laying rate and the production of methyl oleate, a pheromone that keeps worker bees loyal. —Aamir Khollam, Interesting Engineering, 27 Oct. 2025

The ovaries work hard to make and release eggs for ovulation. —Jocelyn Solis-Moreira, Flow Space, 27 Oct. 2025

Shahi underwent a double mastectomy, deep flap reconstruction and an oophorectomy to remove her ovaries to cut off the hormones fueling the disease. —Tereza Shkurtaj, PEOPLE, 25 Oct. 2025

It is characterized by irregular menstrual cycles, excess androgen (male hormone) levels, and polycystic ovaries, which are enlarged ovaries containing numerous small cysts. —Memorialcare Medical Group, Oc Register, 23 Oct. 2025

Word History

Etymology

New Latin ovarium, from Latin ovum egg

First Known Use

1658, in the meaning defined at sense 1

Phrases Containing ovary

• polycystic ovary syndrome

Kids Definition

ovary

noun

ova·​ry ˈōv-(ə-)rē 

plural ovaries

1

: one of the usually paired organs in the body of female animals that produces eggs and that in female vertebrates also produces sex hormones

2

: the enlarged rounded lower part of the pistil of a flower in which seeds are formed

Medical Definition

ovary

noun

ova·​ry ˈōv-(ə-)rē 

plural ovaries

1

: one of the typically paired essential female reproductive organs that produce eggs and in vertebrates female sex hormones, that occur in the adult human as oval flattened bodies about one and a half inches (four centimeters) long suspended from the dorsal surface of the broad ligament of either side, that arise from the mesonephros, and that consist of a vascular fibrous stroma enclosing developing egg cells

2

: the female reproductive structure of an angiosperm that bears ovules and is enclosed in a flower