1. either of two imaginary lines around the Earth at about 23.5 degrees north and south of the equator
2. the hot regions of the Earth near the equator, between the two tropics
Usage: usually plural

1. of or relating to the tropics; characteristic of hot, humid regions near the equator

Examples

• The Tropic of Cancer runs through Mexico and northern Africa.
• Many exotic fruits grow naturally in the tropics.
• We visited several tropic islands during our vacation.
• The tropic climate supports lush rainforests.
• Ships crossing the Tropic of Capricorn often hold ceremonies.
• Tropic regions experience little seasonal temperature variation.
• The tropic sun can be intense even in winter months.