middle guard
–noun Football. | a defensive lineman positioned opposite the offensive center and between the defensive tackles, as in a three- or five-man line. |
Origin: 1870–75, for an earlier sense

| Main Entry: | nose guard |
| Part of Speech: | n |
| Definition: | in football, a defensive lineman who plays opposite the offensive center; also written noseguard; also called nose tackle, middle guard |
| Example: | A nose guard is generally big and strong enough to take on double-teams on a consistent basis. |
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