ahi

1 of 2

noun

ˈä-hē 

1

: yellowfin tuna

2

: bigeye tuna

AHI

2 of 2

abbreviation or noun

ˌā-ˌāch-ˈī 

plural AHIs also AHI

: anomalous health incident

The National Intelligence Council assessment issued Wednesday after a yearslong probe into the cause of the "anomalous health incidents" (AHI) reported by hundreds of government officials refuted long-held suspicions that the often debilitating symptoms were caused by microwave or directed-energy weapons operated clandestinely by an enemy nation.

—Joseph Clark

Imaging scans were performed as soon as 14 days after experiencing AHIs.

—Physician Briefings

Examples of ahi in a Sentence

Recent Examples on the Web

Noun

Afterward, keep it more casual at Cassava, which serves distinctly Dominican flavors (go for the ahi crudo islanded in a pool of mango sauce), or for something more upscale, there’s Nina, which boasts a menu created in collaboration with chef Diego Muñoz and a 100-bottle-strong organic-wine list. —Condé Nast, Condé Nast Traveler, 23 Apr. 2026

At Spago, dishes from the iconic chain leaned into local flavors—bigeye ahi poke cones (the same served on the flight home), hamachi tostada, and caviar paired with Maui onion and taro hash browns, among them. —Susmita Baral, Travel + Leisure, 14 Apr. 2026

Abbreviation or noun

Compared to no treatment, oxygen alone reduced AHI by about 33%, MAD alone reduced AHI by about 54%, and combination therapy reduced AHI by about 68%, a statistically significant effect. —New Atlas, 13 Oct. 2025

Word History

Etymology

Noun

Hawaiian ʽahi

First Known Use

Noun

1892, in the meaning defined at sense 1

Abbreviation Or Noun

2021, in the meaning defined above