strut

Of a peacock or other fowl: to stand or walk stiffly, with the tail erect and spread out.

Hark, hark, I heare, the ſtraine of ſtrutting Chanticlere cry cockadidle-dowe.

The pheasant strutteth about in the midst of flowers; / The turtle-dove cooeth, and the nightingale warbleth from the cypress.

To walk haughtily or proudly with one's head held high.

He strutted about the yard, thinking himself master of all he surveyed.

[O]h, I ſhould remember him: do's he not hold vp his head (as it were?) and ſtrut in his gate?

To walk across or on (a stage or other place) haughtily or proudly.

Taking you and your colleagues as the model of modern times, I should almost fear that the John Bull of former days was as different from the John Bull of the present time, as is a broad-shouldered, fearless Highlandman from the dapper cockney who struts the Park by the side of his fellow-milliner.

The frantic father struts the stage, / And swells with true sublimity of rage / Against his son, who leads a wanton life, / And scorns the offer of a dowried wife.

Often followed by out: to protuberate or stick out due to being full or swollen; to bulge, to swell.

Sometimes [the clitoris] groweth to such a length that it hangeth without the cleft like a mans member, especially when it is fretted with the touch of the cloaths, and so strutteth and groweth to a rigiditie as doth the yarde [penis] of a man.

If the right breaſt ſwell and ſtrut out the Boy is well, if it flag it is a ſign of miſcarriage, judge the ſame of the Girle by the left breaſt, when it is ſunk, or round and hard, the firſt ſignifies abortion to be near, the other health and ſafety both of the Mother and the Child.

Often followed by out: to cause (something) to bulge, protrude, or swell.

[H]e gains the glitt'ring prize, / And ſtruts the gaudy food of gazing eyes, / A thing—that oft his Footmen may deſpiſe.

A step or walk done stiffly and with the head held high, often due to haughtiness or pride; affected dignity in walking.

Putting on his hat, and thrusting both hands into the pockets of his trousers, he marched with a nonchalant strut out of the room, [...]

An instrument for adjusting the pleats of a ruff.

A beam or rod providing support.

This alteration will obviate the necessity for the injudicious iron struts which are now introduced between the backs of the columns and the face of the pilasters, and which, in a practical point of view, afford little or no advantage, except against a direct shock; and even in many such cases they have failed in that object; for in such of them as have been struck, permanent alteration of the strut has taken place, which now has the effect of holding those portions of the shaft with which they are connected out of their places.

Replacing and Aligining Wing-tip Float Struts. Loosen the brace wires and stagger wires on the wing-tip float. Remove the bolts or pins from the strut fittings, both on the float and on the wing surface; then lift the strut out. Carefully replace the strut in a like manner. This is a very simple operation but care must be taken to align the strut with the one in the rear and the one opposite.

An act of strutting (“bracing or supporting (something) by a strut or struts (sense 1); attaching diagonally; bending at a sharp angle”); specifically, deviation (of the spoke of a wheel) from the normal position.