1.the phenomenon of a propagating wave (light or sound) being thrown back from a surface
2.expression without words;
tears are an expression of grief
3.a remark expressing careful consideration
4.a calm lengthy intent consideration
5.the ability to reflect beams or rays
6.a likeness in which left and right are reversed
7.the image of something as reflected by a mirror (or other reflective material);
he studied his reflection in the mirror