Definition of "lose track" []

• To forget one's train of thought or temporarily misplace an item or its place in a sequence. (verb)

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• "Then we grabbed a shopping cart and did our annual mad dash through the store, yanking supplies off the shelves and tossing them into the cart while Mrs. Guptil checked things off the Team F Supplies List and scolded us for making her lose track"
• "Fred Stanley, the veteran infielder substituting for Brian Doyle, ran back into the outfield, his right arm pointing out the ball as it flew straight through the sky, making sure that Piniella would not lose track of it."