Focus(n.) A point in which the rays of light meet, after being   reflected or refrcted, and at which the image is formed; as, the focus   of a lens or mirror.
    
    
    
        Focus(n.) A point so related to a conic section and certain straight   line called the directrix that the ratio of the distace between any   point of the curve and the focus to the distance of the same point from   the directrix is constant.
    
    
    
        Focus(n.) A central point; a point of concentration.
    
    
    
        Focus(v. t.) To bring to a focus; to focalize; as, to focus a camera.
    
    
    
        Focused(imp. & p. p.) of Focus
    
    
    
        Focuses(pl. ) of Focus
    
    
    
        Focusing(p. pr. & vb. n.) of Focus
    
    
    
    Words within focus