1.(baseball) a list of batters in the order in which they will bat (Freq. 1) - the managers presented their cards to the umpire at home plate • Syn: batting order, card • Topics: baseball, baseball game • Hypernyms: roll, roster • Part Meronyms: cleanup, cleanup position, cleanup spot 2. a line of persons arranged by police for inspection or identification • Derivationally related forms: line up • Hypernyms: line