A connector, comprising: a housing having a terminal mounted therein; and a terminal locking member that prevents the terminal from separating from the housing, wherein: the housing includes a terminal reception hole that can receive the terminal therein, and a locking member reception recessed portion that can receive the terminal locking member therein, the terminal locking member includes a first lock protrusion that is received in the locking member reception recessed portion of and engages with a first lock portion of the housing when in a temporary locking position in which a locking raised portion is not raised to a high position, making insertion or removal of the terminal to the terminal reception hole possible, and a second lock protrusion that is received in the locking member reception recessed portion and engages with a second lock portion of the housing when in a main locking position in which the locking raised portion is raised to a high position making insertion or removal of the terminal to the terminal reception hole impossible, and the second lock protrusion is formed on a wide portion of a beam-shaped plate spring member held from both sides having both ends fixed and the middle free, the plate spring member having one end side as a narrow portion, and the other end side being the wide portion wider than the narrow portion, characterized in that, a direction in which the first lock protrusion protrudes and a direction in which the second lock protrusion protrudes are orthogonal to each other. a housing having a terminal mounted therein; and a terminal locking member that prevents the terminal from separating from the housing, wherein: the housing includes a terminal reception hole that can receive the terminal therein, and a locking member reception recessed portion that can receive the terminal locking member therein, the terminal locking member includes a first lock protrusion that is received in the locking member reception recessed portion of and engages with a first lock portion of the housing when in a temporary locking position in which a locking raised portion is not raised to a high position, making insertion or removal of the terminal to the terminal reception hole possible, and a second lock protrusion that is received in the locking member reception recessed portion and engages with a second lock portion of the housing when in a main locking position in which the locking raised portion is raised to a high position making insertion or removal of the terminal to the terminal reception hole impossible, and the second lock protrusion is formed on a wide portion of a beam-shaped plate spring member held from both sides having both ends fixed and the middle free, the plate spring member having one end side as a narrow portion, and the other end side being the wide portion wider than the narrow portion, characterized in that, a direction in which the first lock protrusion protrudes and a direction in which the second lock protrusion protrudes are orthogonal to each other. the housing includes a terminal reception hole that can receive the terminal therein, and a locking member reception recessed portion that can receive the terminal locking member therein, the terminal locking member includes a first lock protrusion that is received in the locking member reception recessed portion of and engages with a first lock portion of the housing when in a temporary locking position in which a locking raised portion is not raised to a high position, making insertion or removal of the terminal to the terminal reception hole possible, and a second lock protrusion that is received in the locking member reception recessed portion and engages with a second lock portion of the housing when in a main locking position in which the locking raised portion is raised to a high position making insertion or removal of the terminal to the terminal reception hole impossible, and the second lock protrusion is formed on a wide portion of a beam-shaped plate spring member held from both sides having both ends fixed and the middle free, the plate spring member having one end side as a narrow portion, and the other end side being the wide portion wider than the narrow portion, characterized in that, a direction in which the first lock protrusion protrudes and a direction in which the second lock protrusion protrudes are orthogonal to each other.