frond

noun
1
a long leaf of some plants or trees, especially palms or ferns. Fronds are often divided into parts along the edge.
برگ دراز, برگساره, برگ شانه‌ای
2
a long piece of seaweed that looks like one of these leaves
شاخه برگ مانند, برگ (گیاهان آبی)، شاخه (آبی)