n. The act of seizing or taking hold of; prehension: as, the hand is the organ of apprehension.n. The act of arresting or seizing by legal process; arrest; seizure: as, the thief, after his apprehension, escaped.n. A laying hold by the mind; mental grasp; the act or faculty of perceiving anything by the senses;n. of learning or becoming familiar with anything;n. of forming an image in the imagination (the common meaning in English for three centuries, and the technical meaning in the Kantian theory of cognition);n. of catching the meaning of anything said or written;n. of simple apprehension (which see, below);n. of attention to something present to the imagination.n. Anticipation of adversity; dread or fear of coming evil; distrust of the future.n. Alarm, Apprehension, Fright, etc. (see alarm), disquiet, dread, anxiety, misgiving, solicitude, nervousness, fearfulness.