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.
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.
Partridges and pheasants, as opposed to rabbits and hares (called fur).
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 but permit motion lengthwise; a spline.
Anything petty or trifling; a whit or jot.
The angular adjustment of an oar or paddle-wheel float, with reference to a horizontal axis, as it leaves or enters the water.
Kind; nature; species (from the proverbial phrase "birds of a 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.
To cover or furnish with feathers; (when of an arrow) to fletch.
To intergrade or blend the pixels of an image with those of a background or neighboring image.
To adorn, as if with feathers; to fringe.
To render light as a feather; to give wings to.
To rotate the oars while they are out of the water to reduce wind resistance.
To arrange in the manner or appearance of feathers.
Of written or printed ink: to take on a blurry appearance as a result of spreading through the receiving medium.
To enrich; to exalt; to benefit.
To streamline the blades of an aircraft's propeller by rotating them perpendicular to the axis of the propeller when the engine is shut down so that the propeller does not windmill during flight.
To touch lightly, like (or as if with) a feather.
To finely shave or bevel an edge.
To tread, as a cockerel.
To move the cue back and forth along the bridge in preparation for striking the cue ball.
To accidentally touch the cue ball with the tip of the cue when taking aim.
To move softly, like a feather.
An object such as a pillar or a rod that is used to tell time by the shadow it casts when the sun shines on it, especially the pointer on a sundial.
A plane figure formed by removing a parallelogram from a corner of a larger parallelogram.
An object such as a pillar used by an observer to calculate the meridian altitude of the sun (that is, the altitude of the sun when it reaches the observer's meridian), for the purpose of determining the observer's latitude.
The index of the hour circle of a globe.
A number representing the increment between two figurate numbers (“numbers equal to the numbers of dots in geometric figures formed of dots”).