(informal) A field in which, or task at which, one is quite capable.

Embroidery upon cloth over which canvas has been laid to guide the stitches. / Embroidery in Berlin wool on silk canvas with plush stitch.

plural of washout

(astronomy) The action of a highly-massive object (such as a star, galaxy, or black hole) that acts as a gravitational lens and focuses light from a light source (such as another star or galaxy) th...