ikkyū
1. one grade; first-class
★ Common
Adjective
#22619
1. one grade; first-class
1. class A river; specified waterways of special importance protected by the government — explanation
1. first-class goods; A-grade product
1. registered architect with a first-class license
1. First-rate; Top quality
1. First-class architect; Registered architect
1. First-rate; Top-quality
1. First-class river ; First-order river
1. First-rate.; Top quality.
1. First-class river; Major river