egg; spawn; berry

Explanation

1. egg; spawn; berry
A round object laid by a female bird, fish, insect, etc., from which a baby animal or larva comes after a certain period of time.

2. berry
A small, round fruit or a grain.

3. bead; ball
A small, round thing that has something inside it or has something stuck inside it.

4. head
A several-layered lump that surrounds the core of a kimchi cabbage.

5. muscle knot
A muscle that has knotted hard and in a round shape.

6. bulb
A round object made of glass, which passes electricity through it to emit light.

7. egg
A word referring to the fruit of a plant or the egg of an animal.

Examples
개미의 알
타조의 알
알이 부화하다

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