The chief and lowest timber or steel plate of a vessel, extending from stem to stern along the bottom and supporting the whole frame.

龙骨龙骨。

A ship.

船。

In an airship, the lowest and central part of the body of the machine, which helps to keep the balance.

飞船船身之最低及中央部份(以平衡机身之用者)。

Anything resembling a ship's keel.

似龙骨之物。

Longitudinal ridge on a leaf or bone.

龙骨瓣(植物叶脉之纵的凸起)；龙骨突起(动物的骨架之一)。

To furnish with a keel.

装龙骨。

To turn up the keel; turn over.

覆船；颠覆。

To fall suddenly.

倒。

To faint; collapse.

昏倒；晕厥。

A barge, esp. one used on the Tyne for carrying coal.

平底船(英国泰因河上运煤之船)。