The emoji for white medium-small square, not to be confused with the white medium square or the white small square, is a mid-to small-sized white solid square that can be used in a variety of shape-related contexts.
Keywords: geometric, square, white medium-small square
Introduced: March, 2002 in Unicode version 3.2.0 (Emoji version 0.6)
The eject button emoji shows a white rectangle with a white solid triangle on top of it, indicating the ejection process common with electronics. You may see it when removing a disc, USB, or an old school VHS.