Definition of "EST"

EST

proper noun
1. (time) Initialism of Eastern Standard Time.
2. (linguistics) Initialism of Extended Standard Theory.
3. Alternative letter-case form of est (“Erhard Seminars Training”)
  Quotations
  […] Tatum, who wears a different color Danskin every day, or Wayne, who grows sinsemilla in his actual closet, or Boomer, who's always hugging everyone since his family did EST.
  2010, Jennifer Egan, “Ask Me if I Care”, in A Visit from the Goon Squad
noun
plural ESTs
1. (plural only) Initialism of English subtitles.
2. (genetics) Initialism of expressed sequence tag.