source: [まな板の上で玉ネギを切っているGIF画像｜無料GIF画像検索 GIFMAGAZINE 92770]

1. a long, thin, flat piece of wood or other hard material, used for floors or other building purposes:

(建築資材としての)板材, 板〘厚さ2.5インチ以下, 幅6—12インチ程度; → plank 〙

e.g. loose boards creaked as I walked on them

e.g. sections of board.

(the boards) informal the stage of a theater.

〖the ～s〗 劇場, 舞台

2. a thin, flat piece of wood or other stiff material used for various purposes.

〖通例複合語で〗(ある目的に用いる)板

a vertical surface on which to write or pin notices.

黒板(blackboard); 掲示板(｟米｠ bulletin board, ｟英｠ noticeboard)

a horizontal surface on which to cut things, play games, or perform other activities.

(物を載せる)台; (ゲームなどの)盤

a flat insulating sheet used as a mounting for an electronic circuit:

〘コンピュ〙 回線基板, ボード(circuit board)

e.g. a graphics board.

the piece of equipment on which a person stands in surfing, skateboarding, snowboarding, and certain other sports.

(boards) pieces of thick stiff cardboard or, originally, wood used for book covers.

ボール紙, 厚紙

(boards) the wooden structure surrounding an ice-hockey rink.

｟米｠ ; 〖～s〗 (アイスホッケー競技場の)木製のフェンス, 板囲い.

(usually boards) Basketball informal term for backboard:

e.g. the absence of center David Robinson to dominate on the boards.

3. treated as singular or plural a group of people constituted as the decision-making body of an organization:

会議, 委員会; (官庁の)部, 局; 〖集合的に; ｟主に英｠ では単複両扱い〗委員会の構成員, 役員

e.g. he sits on the board of directors

e.g. as modifier : a board meeting

e.g. in names : the Federal Reserve Board.

4. the provision of regular meals when one stays somewhere, in return for payment or services:

(下宿･ホテルなどでの有料の)食事, 賄い(→ boarding); 食費

e.g. your room and board will be free.

archaic a table set for a meal.

｟やや古｠ 食卓

5. Sailing a distance covered by a vessel in a single tack.

〘海〙 舷側; (風上に進むときの)間切り, 一間切りの区間

1. with object get on or get into (a ship, aircraft, or other vehicle):

｟かたく｠ 〈人が〉〈バス･飛行機･列車など〉に乗り込む, 搭乗する(get on)

e.g. we boarded the plane for Oslo

｟かたく｠ 〈人が〉(バス･飛行機･列車などに)乗り込む, 搭乗する

e.g. no object : they would not be able to board without a ticket.

(be boarding) (of an aircraft) be ready for passengers to embark:

〖(be) ～ing〗 〈船･飛行機などが〉搭乗中である

e.g. flight 172 to Istanbul is now boarding at gate 37.

2. no object live and receive regular meals in a house in return for payment or services:

〖～＋副詞〗 «…のところに» (賄い付きで)下宿する «with, at» ; 食事する

e.g. the cousins boarded for a while with Ruby.

(of a student) live at school during the semester in return for payment.

(学校に)寄宿する

with object provide (a person or animal) with regular meals and somewhere to live in return for payment:

(賄い付きで)〈人〉を下宿させる

e.g. dogs may have to be boarded at kennels.

3. with object (board something up) cover or seal a window, storefront, or other structure with pieces of wood:

〈扉･窓など〉に板を張る, …を閉鎖する(up); …を板で覆う(over)

e.g. the shop was still boarded up.

4. no object ride on a snowboard.

(of something planned or previously upheld) be abandoned, rejected, or ignored:

e.g. my education just went by the board. earlier in nautical use meaning ‘fall overboard’, used of a mast falling past the board, i.e. the side of the ship.

on or in a ship, aircraft, or other vehicle.

informal onto a team or group as a member: the need to bring on board a young manager.

informal (of a jockey) riding.

Baseball on base.

informal fully consider or assimilate a new idea or situation:

e.g. we've got to take accusations of sexism on board.

informal appear on stage as an actor.

Old English bord, of Germanic origin; related to Dutch boord and German Bort; reinforced in Middle English by Old French bort ‘edge, ship's side’ and Old Norse borth ‘board, table’.