feather

A branching, hair-like structure that grows on the bodies of birds, used for flight, swimming, protection and display.

Long hair on the lower legs of a dog or horse, especially a draft horse, notably the Clydesdale breed. Narrowly only the rear hair.

One of the fins or wings on the shaft of an arrow.

A longitudinal strip projecting from an object to strengthen it, or to enter a channel in another object and thereby prevent displacement sideways or rotationally but permit motion lengthwise.

Kind; nature; species (from the proverbial phrase "birds of a feather").

One of the two shims of the three-piece stone-splitting tool known as plug and feather or plug and feathers; the feathers are placed in a borehole and then a wedge is driven between them, causing the stone to split.

The angular adjustment of an oar or paddle-wheel float, with reference to a horizontal axis, as it leaves or enters the water.

Anything petty or trifling; a whit or jot.

Partridges and pheasants, as opposed to rabbits and hares (called fur).

A junction indicator attached to a colour-light signal at an angle, which lights up, typically with four white lights in a row, when a diverging route is set up.