the mariner's compass; (also) a map of the sea.

A map or chart; spec. a nautical chart. Cf. chart, n. 1.Obsolete.

An intermediate form between card, n.2 and chart, n., in the sense of ‘card, map, chart’.

A chart of the sea (see card, n.2 4 and chart, n. 1b). Obsolete.

a nautical chart. Cf. card, n.2 4, sea-card, n. 1.

= sea-card, n.

spec. (short for sea-chart): A map for the use of navigators; a delineation of a portion of the sea, indicating the outline of the coasts, the…