noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   An instance of registering too small an amount on a cash register, either accidentally or fraudulently.

Verb

1. 1
   To register too small an amount on a cash register, either accidentally or fraudulently.

Etymology

From under- + ring.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.