To form beads or drops. Sweat started to bead up on my forehead as we moved the couch down the steps.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
To form into the shape of a bead; come together in droplets: Because I just waxed my car, the rain beaded up its surface as it fell. Sweat started to bead up on my forehead.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.