try cock

noun

1

: one of two or more cocks arranged one above the other to ascertain the water level in a steam boiler : gauge cock

2

: a cock for withdrawing a small quantity of liquid (as for testing)

The Ultimate Dicitonary 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