n.

1. 木板；板[C]
   He sawed the board in half.

   他将木板锯成两块。

2. 牌子；布告牌；黑板；（棋）盘[C]
3. 膳食；伙食[U]
   We will provide room and board for them.

   我们将提供他们的食宿。

4. 委员会；理事会；董事会；（政府的）部，局，会[C][G]
   He has recently joined the board of the company.

   他最近加入了该公司的董事会。

5. 厚纸板[C]；（书本的）封面[P]
6. 舞台；演员的职业[the P]
   He quit the boards years ago.

   数年前他就离开了舞台。

7. 船舷，船侧[C]

vt.

1. 用木板覆盖（或封闭）[（+up/over）]
   He boarded up the windows.

   他用木板将窗钉上。

2. 上（船、车、飞机等）
   The passengers boarded the plane at 9 a.m.

   旅客们上午九时登上飞机。

3. 包饭；供……膳宿

vi.

1. 搭伙，包饭；膳宿[Q]
   She boarded with a Japanese family.

   她寄宿在一个日本人的家里。

2. 逆风作之字形航行

n.

1. a long, thin, flat piece of wood used for floors or other building purposes.
   ▸ (the boards) informal the stage of a theatre.
2. a thin, flat rectangular piece of stiff material, e.g. a chopping board or noticeboard.
   ▸the piece of equipment on which one stands in surfing, skateboarding, etc.
3. [treated as sing. or pl.] the decision-making body of an organization.
4. the provision of regular meals in return for payment or services.
   ▸archaic a table set for a meal.
5. Sailing  a distance covered by a vessel in a single tack.

v.

1. get on or into (a ship, aircraft, or other vehicle).
   ▸ (be boarding) (of an aircraft) be ready for passengers to get on.
2. live in someone's house and receive meals in return for payment or services.
   ▸(of a pupil) live in school during term time in return for payment.
3. (board something up/over) cover or seal a window or building with pieces of wood.
4. [as adj. boarded] made of wooden boards.
5. ride on a snowboard.