1. To form something into a series of metal links: Margaret was having a jeweler catenate a gold chain which she would wear around her neck.
2. To make a chain of atoms of the same element that is held together by chemical bonds: Some chemical molecules consist of a number of carbon elements that catenate or bond together into a particular order or sequence.
3. Etymology: from Latin caternat-; from catenare, "to chain, to bind together".