Some sentence examples which use the word 'fissure'
After earthquake many fissures developed in the ground.
D, Left (archaic right) gill e, Reflected mantle-flap. fi, The fissure or hole in the mantle-flap traversed by the longitudinal incision.
4), pigeons, gulls, plovers, rails and penguins, have the vomer pointed in front while the maxillo-palatines are free, leaving a fissure between the vomer and themselves.