understander

noun

un·​der·​stand·​er

ˌəndə(r)ˈstandə(r),

-aan-

plural -s

1

: one that understands

2

: one that stands under or supports

specifically : underman sense 2

3

obsolete

a

: foot

b

: boot

4

obsolete : a spectator in the pit of a theater

Word History

Etymology

Middle English understander, understonder, from understanden, understonden + -er

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now