yard marker

English Thesaurus

1. (football) a marker indicating the yard line (noun.artifact)

hypernym	:	marker,
definition	:	some conspicuous object used to distinguish or mark something (noun.artifact)

domain category	:	football, football game,
definition	:	any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into each other's goal (noun.act)