noun /tí/ high-tone /tī/ mid-tone /tì/ low-tone
Definitions
  1. The name of the Latin script letter T/t.
Other entries with this spelling
Wiktionary records 2 entries spelled “tí”. You're reading one of them; here are the others.
Source: Wiktionary · etymology 1, where this word is spelled “ti”. Reference: en-ti-yo-noun-pYdnggPA