Lemmas found: 8
a large natural mass of stone forming a hill, cliff, or promontory
The shell of a sea creature such as a clam or a sea snail, especially one found on a beach.
A hard outer covering, such as that of an egg, a nut or a snail (come out of one's shell).
A structure built by a bird or other animal as a place to lay eggs, raise young, or rest.
A network of fine threads made by a spider to catch prey or form a shelter.
a thin piece of wood.
The preserved remains, impression, or trace of a prehistoric plant or animal, usually found in rock.
a narrow break or split in a surface without complete separation.