flanker

1. A player who plays in the back row of the scrum.
2. A wide receiver who lines up behind the line of scrimmage.
3. A fortification or soldier projecting so as to defend another work or to command the flank of an assailing body.
4. One of a pair of large upright monoliths erected on either end of the recumbent, in recumbent stone circles of Aberdeenshire, Scotland, and the counties of Cork and Kerry in south-west of Ireland.
5. A usually lower-end brand or product introduced in order to target competitors and protect a company's main market share.
6. Newly created perfume that shares some attributes of an already existing perfume.

Plural flankers