chart / chärt/ • n. a sheet of information in the form of a table, graph, or diagram: a chart showing how much do-it-yourself costs compared with retail. ∎  (usu. the charts) a weekly listing of the current best-selling pop records: she topped the charts for eight weeks. ∎  a geographical map or plan, esp. one used for navigation by sea or air. ∎  Med. a written record of information about a patient: scribbled on a patient's chart. ∎  (also birth chart or natal chart) Astrol. a map, typically circular, showing the positions of the planets at the time of someone's birth, from which astrologers are said to be able to deduce character or potential.• v. 1. [tr.] make a map of (an area). ∎  plot (a course) on a chart: the pilot found his craft taking a route he had not charted | fig. the poems chart his descent into madness. ∎  (usu. be charted) record on a chart.2. [intr.] (of a recording) enter the weekly music charts at a particular position.

chart sb. XVI. — L. charta — Gr. khártēs, perh. of Egyptian orig.
Hence as vb. XIX.