In the natural sciences, a primary source could be defined as a report of original findings or ideas. These sources often appear in the form of research articles with sections on methods and results..
crampon - a hinged pair of curved iron bars; used to raise heavy objects crampoon grapnel, grapple, grappling hook, grappling iron, grappler - a tool consisting of several hooks for grasping and holding; often thrown with a rope
Definition of clamp. 1  transitive verb. 2  1 : to fasten with or as if with a clamp clamp two boards together. 3  2a : to place by decree : impose âoften used with on clamped on a curfew after the riotsb : to hold tightly.