Entry Word: altitude

Function: noun

Meaning: 1 the distance of something or someone from bottom to top <the altitude of the highest mountain in the U.S. is only about two thirds that of the highest mountain in the world> — see height 3
2 the most extreme or advanced point <a man whose arrogance continues to reach new altitudes> — see height 2
3 usually altitudes pluralan area of high ground <the air is thinner at higher altitudes> — see height 4