Step 1: The term graze refers to a scrape of the outer skin, which immediately points toward the family of superficial mechanical injuries called abrasions.
Step 2: Abrasions damage only the epidermal surface, and grazes are the commonest variety, arising when the skin slides across a coarse surface.
Step 3: By contrast, a bruise (contusion) is a deep collection of leaked blood with intact skin, and a laceration is a split or tear of skin from blunt trauma reaching deeper tissues.
Step 4: Since a graze is a sliding superficial scrape, it belongs squarely under abrasion.
\[\boxed{\text{Abrasion}}\]