<p><strong>Noun</strong></p><ul><li>the side of an animal or a person between the ribs and hip.</li><li>the thin piece of flesh constituting this part.</li><li>a slice of meat from the flank of an animal.</li><li>the side of anything, as of a building.</li><li>the extreme right or left side of an army or fleet, or a subdivision of an army or fleet.</li><li>the right or left side of a work or fortification.</li><li>the part of a bastion that extends from the curtain to the face and protects the curtain and the opposite face.</li><li>either of the two vertical inclined surfaces between the crest and the root on a screw thread or the like.</li></ul><p><strong>Verb</strong></p><ul><li>to stand or be placed or posted at the flank or side of.</li><li>to defend or guard at the flank.</li><li>to menace or attack the flank of.</li><li>to pass around or turn the flank of.</li><li>to occupy a position at the flank or side.</li><li>to present the flank or side.</li></ul>