buckle into


Hi, what does "buckle into" mean in the sentences below?

Boy was buckling booster seat when dad’s gun fired, killing him, outside Pa. gun store.
A man in western Pennsylvania say a 7-year-old boy who was killed when his father’s gun went off outside a gun store had been buckling himself into a safety seat in the man’s truck.

  • Myridon

    Senior Member
    English - US
    The safety seat has straps that are fastened with buckles. When you put the two parts of the buckle together, you are buckling it. When you put the child in to the safety seat and buckle all the buckles on all the straps, you have buckled the child into the seat.
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