/
ˈrɒstə/
n.
a list or plan showing turns of duty or leave for individuals or groups in an organization.
▸a list of names, in particular of sports players available for team selection.
v.
chiefly Brit. assign according to a duty roster.
Etymology
C18: from Du. rooster ‘list’, earlier ‘gridiron’, with ref. to its parallel lines.
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