tagger

noun8

1. •
   One who or that which tags.
2. •
   A program or algorithm that adds tags for purposes of categorization, e.g. grammatical information to words in a document, or genres to songs in a music collection.

   • To include part-of-speech (POS) information, the corpus was tagged using the CLAWS tagger. — 2018
3. •
   A person who writes graffiti using a specific mark
4. •
   The player who tries to catch others in the game of tag.

   • The teacher then calls on each one of the tagged to identify his tagger. If a student cannot guess correctly, he must sit down. — 1989
5. •
   That which is pointed like a tag.
6. •
   A device for removing taglocks from sheep.
7. •
   (slang) The penis.
8. •
   [in the plural] Sheets of tin or other plate which run below the gauge.