1. to thrust out or protrude; to push or extend outward
Usage: formal or technical; often used in biology and zoology to describe body parts extending beyond a surface

Examples

• The insect exserts its proboscis to feed on nectar.
• When threatened, the sea star exserts its stomach through its mouth.
• The plant exserts tiny hairs along its stem for protection.
• The snail exserts its tentacles to sense its surroundings.
• During mating, the fish exserts its reproductive organs.