ride_herd has definitions from the field of transportation
1
[ verb ] (transportation) driving animals such as horses and cattle while riding along with them

Examples

"Joe was riding herd during the day"

Used in print

(Joseph Chadwick, No Land Is Free....)

Two of the new hands , a Mexican named Jose_Amado and a kid known only as Laredo , were picked for the first trick of riding night herd .

Related terms

ride

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