in contrast to, rather than, instead of; particularly used in defining a concept by providing an example that does not fall inside the concept.

(botany) Any of the genus Ochna of evergreen trees, shrubs and shrublets.

(music) A smaller note marking a tone introduced between two others, to effect a smooth passage from the one to the other, but forming no essential part of the harmony.

Of or relating to Martin Luther King Jr. (1929-1968), American clergyman, activist and prominent leader in the civil rights movement.