Insect (noun)

1. A small animal with six legs and a body divided into three parts.
2. A small arthropod animal, typically having a thin exoskeleton, a three-part body, three pairs of jointed legs, and compound eyes.
3. A small animal that can fly or crawl and often has a sharp sting or bite.

Origin:

Late 16th century from latin insectum, from in- "into" + secare "to cut", because insects have bodies divided into segments.

Examples:

1. The insect flew into the room and landed on the windowsill.
2. The garden was full of different kinds of insects, including butterflies and bees.
3. The insect bite caused a painful swelling on his arm.
4. The insect specimen was carefully placed in a glass jar for examination.
5. The insect's wings were covered in bright, iridescent colors.