船頭那面小帆
這一支就是字面上的「伸在最前面的那一片」：位置在大帆之前，面積比大帆小，可以單獨升降。
noun · C2
A small sail at the front of a sailing boat, in front of the big main sail. It is usually a triangle, and ropes pull it tight to one side so it catches the wind.
船首三角帆
這個拼法底下其實是2個不同的字，意思沒有關係， 只是長得一樣。下面分開列出來。跳到 船首三角帆 · 不肯／打退堂鼓
1
jib
n核心畫面
One loose way to hold the noun jib: something that reaches out from the front or side of a bigger structure and hangs there in the open air — a small sail out ahead of the mast, a long arm out ahead of a crane. The two uses are not the same word historically, so treat this as a shelf to put them on, not a family tree.
名詞的 jib 可以先鬆鬆地想成：一樣東西從船身或機身往外伸出去，懸在空中的那一截。船上是主桅前面那面小帆，工地上是…更多收起
名詞的 jib 可以先鬆鬆地想成：一樣東西從船身或機身往外伸出去，懸在空中的那一截。船上是主桅前面那面小帆，工地上是吊車往外探出去的長臂。要注意的是，這兩個用法在歷史上並不是同一個字長出來的。所以這個畫面比較像一個放東西的架子，不是一棵家族樹。Two branches
往外伸出去的長臂
同樣是「往外伸出去、懸在空中」的形狀，只是換到機器上；尾端吊的東西不同，就分出了工地和拍片兩個用法。
noun · C2
The long arm of a crane — the part that reaches out from the body of the machine and holds the load up in the air.
吊臂
A second word, same spelling
2
jib
v核心畫面
One way to hold the verb jib: a horse walking along a road that suddenly stops, plants its feet and will not go one step further. Nothing is broken and nobody is shouting — the animal has simply arrived at the point where it stops. That picture is what people borrowed when they started using the word about people.