Throbbing or beating.
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pul·sa·tile 'pəl-sət-əl, -sə-.tīl adj marked by or occurring in pulsations <a \pulsatile glandular secretion>
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adj.
characterized by regular rhythmical beating.
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pul·sa·tile (pulґsə-tīl) characterized by a rhythmical pulsation.Medical dictionary. 2011.