Merriam-Webster Collegiate Dictionary - popple

 I. noun  Etymology: Middle English popul, from Old English, from Latin populus  Date: 14th century chiefly dialect poplar 1  II. noun  Etymology: ~, verb, from Middle English poplen to bubble, ripple, probably of imitative origin  Date: 1875 a choppy sea POPPY SEED  noun  Date: 14th century the seed of a poppy used chiefly as a topping or flavoring for baked goods