noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An almost vertical line that attaches a float to a bait that is resting on the bed of the river.
2. 2
   The process of taking scientific samples as a probe is moving upward.

Etymology

From up- + trace.

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