TROCHOID n.
The curve described by any point in a wheel rolling on a line; a cycloid; a roulette; in general, the curve described by any point fixedly connected with a moving curve while the moving curve rolls without slipping on a second fixed curve, the curves all being in one plane. Cycloids, epicycloids, hypocycloids, cardioid…
UNIFORM n.
do in his uniform. F. W. Robertson. In full uniform (Mil.), wearing the whole of the prescribed uniform, with ornaments, badges of rank, sash, side arms, etc. -- Uniform sword, an officer's sword of the regulation pattern prescribed for the army or navy.