collar >> /ˈkɑlər/
Definition: [noun] A band of material around the neck of a shirt, dress, coat, or jacket, either upright or turned over and generally an integral part of the garment.
Example: we turned our collars up against the chill
Definition: [noun] A restraining or connecting band, ring, or pipe in machinery.
Example: Diversion collars placed around the pipes, just below the sand surface, can be retrofitted if this begins to happen.
Definition: [noun] A piece of meat rolled up and tied.
Definition: [noun] The part of a plant where the stem joins the roots.
Example: For the measurements, stem was severed above the collar region and the roots sealed in the pressure chamber.