like as two peas in a pod


Very similar, bearing a close resemblance. For example, They're not even sisters, but they're like as two peas in a pod. This expression alludes to the seeds contained in a pea pod, which do indeed look very much alike. [Late 1500s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.