castellano

noun

cas·​te·​lla·​no

ˌkastəˈl(y)ä(ˌ)nō

plural -s

1

: an ancient Spanish gold coin bearing the Castilian arms

especially : one weighing ¹/₅₀ of a mark

2

: an ancient Spanish unit of weight equivalent to ¹/₅₀ of a mark

Word History

Etymology

Spanish, literally, Castilian

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