- marker - some conspicuous object used to distinguish or mark something; "the buoys were markers for the channel"
--1 is a kind of artifact, artefact
--1 has particulars: bookmark, bookmarker; yard markerDerived form: verb mark2 - marker, marking, mark - a distinguishing symbol; "the owner's mark was on all the sheep"
--2 is a kind of symbol
--2 has particulars:earmark; brand; trademark; authentication, hallmark, assay-mark; postmark; watermark; broad arrow; milestone, milepost; peg, pin; spot, pip; label; cairn Derived form: verb mark3 - marker - a writing implement for making a mark
--3 is a kind of writing implement
--3 has particulars: highlighterDerived forms: verb mark2, verb mark11, verb mark5