English

Noun

explainer ‎(plural explainers)

1. Agent noun of explain; one who explains.
   • 2006, Owen Hargie, The Handbook of Communication Skills (page 200)

     To be a skilled explainer, one has also to take account of the explainees, and their social and cultural backgrounds, motivations, linguistic ability, and previous knowledge – and plan accordingly before embarking upon the explanation.

2. A guide that explains a topic.

   Confused by the Olympics? Here's an explainer.‎

Anagrams

• re-explain, reexplain