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noun crossing guard n. A person who stands at a street crossing to assist children to cross the street safely; usually used near schools during the times that children are entering or leaving the school. Note: Crossing guards may be employed by a municipality as auxiliary police officers, or may be unpaid volunteers. Some wear uniforms, others do not. They are commonly older citizens who are retired or not employed full-time at other tasks. At some schools, older students from the school are trained to perform the function of crossing guards.
Collaborative International Dictionary of English 0.48
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