Definitions:
a nectar-feeding insect with two pairs of large, typically brightly coloured wings that are covered with microscopic scales. butterflies are distinguished from moths by having clubbed or dilated antennae, holding their wings erect when at rest, and being active by day.

a showy or frivolous person

a fluttering and nauseous sensation felt in the stomach when one is nervous.

a stroke in swimming in which both arms are raised out of the water and lifted forwards together.

split (a piece of meat or fish) almost in two and spread it out flat