dap

v.intr.（不及物動詞）
dapped,dap.ping,daps
To fish by letting a baited hook fall gently onto the water.
垂釣：將魚餌輕輕點水面上釣魚
To dip lightly or quickly into water, as a bird does.
點水：輕點或快點水面，就像鳥那樣
To skip or bounce, especially over the surface of water.
掠跳：跳過或彈跳，尤指在水面上

來源：
Probably alteration of dab
可能為 dab的變化