(geography) A region that straddles the border of Spain and France. / The region where the Basque language is spoken. / An autonomous community of Spain.

simple past tense and past participle of systematise

(obsolete) To wink; to blink.

(transitive) To express (an action, thought or idea) by means of particular words. / (intransitive, music) To perform a passage with the correct phrasing.