It comes in chalk, skate and key varieties

noun

1. A piece of sawed lumber of little thickness and a length greatly exceeding its width

   "nailed boards over the windows"

2. A surface, frame, or device for posting notices

   "Pin the photo to the board."

3. Blackboard

   "wrote the assignment on the board"

4. Backboard

   "a rebound off the boards"

5. Switchboard
6. League, association

   "local board of realtors"

7. Daily meals especially when furnished for pay

   "paid for her room and board"

8. A table spread with a meal

   "offered to help clear the board"

9. A table at which a council or magistrates sit

   "sat at the council board"

10. Table
11. A sheet of insulating material carrying circuit elements and terminals so that it can be inserted in an electronic apparatus (such as a computer)
12. The low wall enclosing a hockey rink
13. Message board

    "Add a link to the board."

14. Cardboard
15. The stiff foundation piece for the side of a book cover
16. The side of a ship
17. Stage

    "one of the best actors that ever trod the boards"

18. A securities or commodities exchange see exchange
19. Border, edge

verb

1. To go aboard (something, such as a ship, train, airplane, or bus)

   "boarded a bus to Chicago"

2. To put aboard

   "an airliner boarding passengers"

3. To cover or seal off with a long, thin, and often narrow piece of sawed lumber to cover or seal off with boards see board
4. To provide with regular meals and often also lodging usually for compensation

   "supplemented her income by boarding college students"

5. To check (a player) into the low wooden wall enclosing a hockey rink to check (a player) into the boards see board
6. To come up against or alongside (a ship) usually to attack
7. Accost, address

   "boarded me with some light remark"

8. To receive meals or lodging

   "bachelors who board at the inn"

9. To ride a skateboard, snowboard, etc.

   "At 12, Danny joined his 16-year-old brother … on the slopes, boarding every day after school."

10. To get into or onto a means of transportation (such as an airplane, bus, ship, etc.)

    "A bit late, we hurried to the gate just in time to board."

11. To put or allow passengers into or onto such a means of transportation

    "… before my plane boarded I wandered into a duty-free shop to pick up a few last-minute presents."

noun

1. A unit of quantity for lumber equal to the volume of a board 12 × 12 × 1 inches

noun

1. A game (such as checkers, chess, or backgammon) played by placing or moving pieces on a board

noun phrase

1. A British governmental department concerned with commerce and industry
2. A commodities exchange

noun

1. A sport (such as snowboarding, skateboarding, or surfing) that involves a person standing on or riding a board for the duration of the activity

   "With my knees finally having had three knee surgeries from all my love of snowboarding, surfing is the next board sport that is on my horizon."

noun

1. Food and a place to sleep

   "He worked in the kitchen in return for board and lodging."

adjective

1. Being a professional whose qualifications have been approved by an official group

   "a board-certified doctor"

noun phrase

1. A group of people who manage or direct a company or organization

   "She's on the board of directors for a large corporation."

adjective

1. Placed to win if a competitor wins, places, or shows

   "an across-the-board racing bet"

2. Embracing or affecting all classes or categories blanket

   "an across-the-board price increase"