boardcard means one of a set of cards that are dealt face up, from which a certain number of cards may be (or must be, depending on the game) used to create each player's final hand. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From board + card.
noun
- One of a set of cards that are dealt face up, from which a certain number of cards may be (or must be, depending on the game) used to create each player's final hand.“There is a betting round, and the dealer burns and turns a final boardcard.[…]At Texas holdem, each player receives two cards to start, and at the showdown may play both individual cards and three boardcards, called “playing the board.””