(geology) A feature, on the undersurface of a sedimentary stratum, that is a cast of a corresponding feature on the upper surface of the lower stratum

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

(transitive) To mark again.

A mark that replaces another mark.

(finance, accounting, chiefly attributive) Assigning a value to an asset equal to the current market price of the asset or one calculated based on related standardised assets for which there is a market.

plural of mark-to-market

Alternative spelling of laundry mark

A question mark.

(archaic) An identifying marking, usually in coded form and handwritten in indelible ink on an inconspicuous area of a garment, widely used until the mid-20th century as an organizing aid by merchants who cleaned and pressed clothing.

someone who is easily fooled or victimised