in the driver's seat


Also, in the saddle. In control, in a position of authority. For example, With the boss on vacation, Mr. Burns was in the driver's seat and enjoying it, or She waited until after the election, knowing that she'd be in the saddle then. The first expression dates from the 1800s, the second from the early 1600s. Also see at the helm.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.