centerboard

/sen-ter-bawrd, -bohrd/US // ˈsɛn tərˌbɔrd, -ˌboʊrd //

中心板,中板,中轴板,中盘

Definitions

n.名词 noun

1
Nautical.
- : a pivoted fin keel that can be swung upward and aft within a watertight trunk when not in use.

When he looked again there was but one, a figure sprawled along the keel, clinging to the centerboard.
The centerboard had floated up and projected at the top, and it was about this that Captain Davis' arms were clasped.
Jonadab rolled up his shirt sleeves and laid hands on the centerboard stick.
The table swung to the centerboard-case on hinges, so that when not in use it actually occupied no room at all.
French Pete put his head up on the other side of the centerboard, his eyes heavy with sleep, and made them welcome.