coll-, col- +

1. An expression of approval; praise; any award, honor, or laudatory notice: "The novel received accolades from various reviewers."
2. A special acknowledgment; an award.
3. A ceremonial embrace, as of greeting or salutation.
4. Ceremonial bestowal of knighthood; a light touch on the shoulder with the flat side of the sword or formerly by an embrace, done in the ceremony of conferring knighthood.
5. Etymology: from French, acolada from Vulgar Latin accollare, from Latin ad-, "to" plus collum, "neck".

The original sense is of an embrace about the neck or the tapping of a sword on the shoulders to confer knighthood. Extended meaning "praise, award" is from 1852.

1. The upright or turned-over neckband of a coat, jacket, dress, shirt, or blouse.
2. A leather, plastic, fabric, or metal band placed around the neck of an animal to identify it or attach it to a lead or leash.
3. An area around the neck of a bird, or an animal, that has a color or marking different from the rest its body.
4. The cushioned ring or other part of a harness that presses against a draft animal's shoulders.
5. A ring-shaped device or part on a shaft that guides, seats, or restricts another mechanical part.
6. A close-fitting necklace or one that lies flat over the shoulders.
7. A cut of meat, especially bacon, taken from an animal's neck.
8. A police arrest; as, when an arrest is made by a police officer: "The police officer collared the bank robber just as he was leaving the bank."

A horizontal bone above the first rib that makes up the front part of the shoulder.

The collarbone, also called the "clavicle", links the sternum, or breastbone, with the scapula, a triangular bone in the back of the shoulder.

The collarbone ends at the sternum, forming one side of the sternoclavicular joint. It ends at the shoulder, there forming one side of the acromioclavicular joint.

An artificial crown with a metal band that fits around th neck of the natural tooth or root.

Having found someone and stopped him/her from going somewhere, often so that a person can talk to her/him about something: "I was collared by Mary as I was leaving the meeting today."

To sever from the neck; or to behead; to decapitate.

A collar, usually for dogs, or cats, containing a chemical that repels or kills fleas.

Referring to a shirt which is not buttoned at the neck.

Syphilitic leukoderma (congenital skin condition characterized by spots or bands of unpigmented skin) of the neck and shoulders.

It is virtually pathognomonic of late syphilis; that is, decisively characteristic of a disease or indicating a disease with certainty.