To make smaller.
To taper.
To disappear gradually.
To take away; to subtract.
To lessen the authority or dignity of; to put down; to degrade; to abase; to weaken; to nerf (in gaming).
To become less or smaller.
To make smaller.
To remove white space and unnecessary characters from a web page's source code in order to reduce its size and improve download time.
To reduce in apparent size, as for example objects viewed through a lens or mirror shaped so as to increase the field of view, such as a convex or aspheric mirror or a Fresnel lens.