Characteristics of Wolf hybrids which differentiate them from domestic dogs. 1  Tendency to howl rather than bark. 2  Dense hair growth in the ear canals. 3  Sheds heavily from legs and feet, particularly in the summer.  Tuffs of hair present on 1  face. Elongated bones and narrow chest.  Head held 1  low. Moves with a slinking  gait.
Riprap, also known as rip rap, rip-rap, shot rock, rock armour or rubble, is rock or other material used to armor shorelines, streambeds, bridge abutments, pilings and other shoreline structures against scour and water or ice erosion.
1 : a subculture especially of inner-city youths who are typically devotees of rap music. 2 : the stylized rhythmic music that commonly accompanies rap; also : rap together with this music.