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

A stigma of shame

(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.

Alternative spelling of laundry mark

(linguistics) A symbol used to indicate tones in tonal languages.

(golf) An indentation caused by a golf ball hitting the ground in golf.

(chemistry) A thin ring etched into the neck of a volumetric flask to mark its measured capacity

(obsolete, rare) Mark's point; bullseye.

Of or relating to Mark Twain or his writing style.

Alternative form of on your marks