a rectangular metal frame used in letterpress printing to hold together the pages or columns of composed type that are printed at one time (noun.artifact)
the hard structure (bones and cartilages) that provides a frame for the body of an animal(noun.body)
the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or sca more..the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs(noun.body)
the internal supporting structure that gives an artifact its shape(noun.artifact)