(nautical) The identifying mark of a shipping company, displayed on the ship's funnel (smokestack).

plural of check mark

(Canada, US, Philippines) A mark (✓) made to indicate agreement, correctness or acknowledgement.

plural of punctuation mark

plural of trade mark

Alternative spelling of trademark

plural of service mark

(law) A trademark denoting the source of a service rather than a product.

A mark that replaces another mark.

(transitive) To mark again.