shipmast locust

noun

: a locust that forms a variety (Robinia pseudoacacia rectissima) of the black locust, is native to Long Island, and has an erect stem and wood of great strength and durability

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