noun
left side (of an equation); LHS
Mathematics term for the left-hand side of an equation, expression, or inequality. Often contrasted with 右辺 (right side).
See also: 右辺
この方程式の左辺を因数分解してください。
Please factor the left side of this equation.
noun
Used in board games such as go, chess, and Othello to refer to the left-hand area of the board.
碁盤の左辺に石を打つ。
Place a stone on the left side of the go board.