noun Cell Biology.
an abundant, tuftlike branching at the axon ending of certain nerve cells.
When Does Summer Really End?So when the rest and relaxation is shooed away for cooler days and the start of school, it’s easy to forget that the summer season is far from over.
Origin of end brush
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019