1. A wrench or other harm done to the back of a horse.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• fleaks,
• lnks,
• lanks,
• flynns,
• flanels,
• flangs,
• lynks,
• plankes,
• flciks,
• flance,
• flink,
• fliks,
• lonks,
• flaks,
• falks,
• llinks,
• flankes,
• blankis,
• fluants,
• falinks

• flunky,
• flanker,
• flunk,
• fling,
• links,
• flinch,
• flakes,
• Flansburg,
• Flanagan,
• FLNC,
• flinck,
• flank,
• FLINK,
• flanigan,
• clanks,
• flange.

The adjective form of the word "flanks" is "flanked".