est

noun1

1. •
   (no longer used) Grace; favour.

adjective1

1. •
   Abbreviation of established.

verb1

1. •
   Abbreviation of established.

noun3

1. •
   Initialism of expressed sequence tag.
2. •
   [plural only] Initialism of English subtitles.
3. •
   Initialism of endodermal sinus tumor.