harpoon

名词 harpoon:

1. a spear with a shaft and barbed point for throwing; used for catching large fish or whales; a strong line is attached to it

动词 harpoon:

1. spear with a harpoon

1. The harpoon struck but did not embed.
   鱼叉击中了但并没有插入
2. The whale dived as the harpoon struck it.
   鲸鱼被鱼叉射中後潜入水中。

har.poon

n.（名词）
A spearlike weapon with a barbed head used in hunting whales and large fish.
鱼叉：一种象标枪一样但顶端有钩的用于捕捉鲸鱼和大鱼的武器
v.tr.（及物动词）
har.pooned,har.poon.ing,har.poons
To strike, kill, or capture with or as if with a spearlike weapon.
刺杀，捕捉：用标枪或用象标枪一样的武器刺杀或捕捉

来源：
Probably from Dutch harpoen
可能源自 荷兰语 harpoen
from Middle Dutch
源自 中古荷兰语
from Old French harpon
源自 古法语 harpon
possibly from harpe [clamp, claw]
可能源自 harpe [夹或抓子]
from Latin harpa [sickle]
源自 拉丁语 harpa [镰刀]
from Greek harpô
源自 希腊语 harpô

【引伸】
harpoon.er
n.（名词）