Entry 1 sense Webster, 1913

Explanatory

/ĭk-splăn'-ət-ôrˌ-ē/ · Ex·plan·a·to·ry · IPA /ɪkˈsplæn.ə.t(ɔː.)ɹi/

01 a. Serving to explain; containing explanation; as explanatory notes.

1.
Serving to explain; containing explanation; as explanatory notes.