WordDictionary

Adjective:

• nautical Maximum (of speed). Historically faster than ''full'' speed (the most a vessel can sustain without excessive engine wear or risk of damage), now frequently used interchangeably. Typically used in an emergency or during an attack (''All ahead flank!'').

Noun:

• anatomy The flesh between the last rib and the hip; the side.
• culinary A cut of meat from the flank of an animal.
• military The extreme left or right edge of a military formation, army etc.
• The outermost strip of a road.
• The side of something, in general senses.

Verb:

• To be placed to the side(s) of something (usually in terms of two objects, one on each side.)
• transitive To attack the flank(s) of something.
• transitive To defend the flank(s) of something.
• transitive To place to the side(s) of something.