noun /bí/ high-tone /bī/ mid-tone /bì/ low-tone
Definitions
  1. The name of the Latin script letter B/b.
Other entries with this spelling
Wiktionary records 8 entries spelled “bí”. You're reading one of them; here are the others.
Possibly used in
Source: Wiktionary · etymology 1, where this word is spelled “bi”. Reference: en-bi-yo-noun-8n18scPc