(botany) Increasing in size by growth on all sides, as in the lichens. / (psychology, obsolete) Relating to a form of inversion where the desired partner may be either male or female, i.e. bisexual...

(obsolete) A spider.

(mathematics) Any function whose value repeats after the regular addition of a period to its independent variable; i.e., a function ƒ such that, for some positive constant p, ƒ(x + p) = ƒ(x) for al...

plural of sweet rush