flank

To attack the flank(s) of.

To defend the flank(s) of.

To place to the side(s) of.

Stately colonnades are flank'd with trees.

[...] Mr. M. N. Rollason points out that on four-track lines on which the fast lines, in the centre, are flanked by the slow lines, and running at speed is permissible on all four, the traveller can enjoy some quite exciting experiences when trains are doing a "neck-and-neck" on adjacent lines.

To be placed to the side(s) of something (usually in terms of two objects, one on each side).

The lateral flesh between the last rib and the hip.

Holonym: side

A cut of meat from the flank of an animal.

The extreme left or right edge of a military formation, army etc.

The sides of a bastion perpendicular to the wall from which the bastion projects.

The side of something, in general senses.

Cautiously I approached the flank of the cliffs, where they terminated in an abrupt escarpment as though some all powerful hand had broken off a great section of rock and set it upon the surface of the earth.

Ahead the flanks of the Pennines gleamed faintly in the moonlight, looking as though they themselves were part of some dry and deserted lunar landscape.

Maximum. 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!