Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun marker
3 senses of marker
Sense 1
marker -- (some conspicuous object used to distinguish or mark something; "the buoys were markers for the channel")
=> artifact, artefact -- (a man-made object taken as a whole)
Sense 2
marker, marking, mark -- (a distinguishing symbol; "the owner's mark was on all the sheep")
=> symbol -- (an arbitrary sign (written or printed) that has acquired a conventional significance)
Sense 3
marker -- (a writing implement for making a mark)
=> writing implement -- (an implement that is used to write)