cardinal mark

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|nautical}} A sea mark (a [[buoy]] or other floating or fixed structure) used in [[pilotage]] to indicate the position of a hazard and the direction of safe water.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.