/frɒnd ||; frɑnd/noun[C] 1 a long leaf, often divided into parts along the edge, of some plants or trees （棕榈类等的）长叶: the fronds of a palm tree 棕榈树叶子
2 a long piece of SEAWEED (= a plant that grows in the sea) that looks like one of these leaves （藻类的）藻体