prevocalic form of meta-

Hard dark stone crushed into small pieces used in surfacing roads, for ballast in railway tracks, etc.; gravel; blue metal.

(idiomatic) in trouble, in a predicament, in a difficult situation

(physiology, countable) Initialism of Metabolic Equivalent of Task, or simply metabolic equivalent, a measure of the intensity of aerobic exercise.

Filipendula ulmaria, the meadowsweet. / Eutrochium purpureum, sweet joe-pye weed.

(mineralogy) A light powdery variety of calcite, occurring as an efflorescence.

(colloquial, US, especially Western US) To cure meat in the open air.

(education) A mathematics and reading program through which students work at their own pace, intended to supplement school lessons.

(dated) A Christian religious service held on New Year's Eve.

Rousong.