ぎゅうにゅう牛乳gyuunyuu
1.

A nutritious liquid produced by dairy cows, rich in fats, proteins, calcium, and vitamins, commonly consumed as a beverage and utilized in various food products such as ice cream, butter, and cheese.

2.

The white liquid obtained from cows, often processed and sold in various forms, which serves both as a dietary staple and as a primary ingredient in numerous culinary applications.

3.

A staple food product derived from the milk of cows, noted for its high nutritional value and versatility in cooking and baking.

4.

A widely used dairy product that comes from cows, known for its creamy texture and essential nutrients, often enjoyed fresh or in processed forms.

Example:

牛は我々に牛乳を与えてくれる。

ちちchichichi
1.

A white, opaque liquid secreted by the mammary glands of female mammals after giving birth, containing fats, proteins, lactose, and minerals, which serves to nourish their offspring.

2.

The breasts or nipples, particularly in the context of their function for breastfeeding or as a physical characteristic.

3.

A milky fluid that exudes from the leaves or stems of certain plants when they are cut or damaged, resembling the secretion from mammary glands.

Example:

うちの牛は全くが出ない。

ちくび乳首chikubiちちくび乳首chichikubi
1.

The rounded, protruding part located at the tip of the breast, which is capable of secreting milk.

2.

A rubber or silicone product designed to resemble the aforementioned part, commonly used for nursing infants.

3.

A new expression or variation of the term used to refer to the nipple.

Example:

乳首から分泌液が出ます。

ちぶさ乳房chibusaにゅうぼう乳房nyuubou
1.

A protruding organ on the chest of female mammals, responsible for producing and secreting milk for nourishing offspring, typically located from the chest to the abdomen.

2.

The pair of glandular structures found on the left and right sides of the chest or abdomen in female mammals, which develop during puberty, and are involved in lactation, commonly referred to as breasts.

3.

An external glandular structure in mammals that serves the primary function of lactation, visibly prominent in females during breastfeeding periods, and often colloquially referred to as "o-bu-san" in a casual context.

4.

A paired anatomical feature present in female mammals that matures during reproductive stages and is associated with the production and secretion of milk, serving an essential role in the nurturing of young.

Example:

乳房にしこりがあります。

きょにゅう巨乳kyonyuu
1.

A term describing breasts that are exceptionally large in size, often used in a casual or slang context.

2.

A characterization of women whose breast size is significantly above average, typically emphasizing an abundant and voluptuous appearance.