(politics, military, idiomatic) Gradual unplanned expansion of the objectives, scope, and/or cost of a project, especially a military mission.

The European grapevine (Vitis vinifera), introduced from Spain to the western coasts of North and South America by Catholic New World missionaries for use in winemaking.

Of a process or part within a larger system, vital to the operations of the system as a whole.

plural of Mission grape

(nonstandard) plural of mission impossible

plural of mission kill

plural of mission station

(Australia, New Zealand) A reserve or other tract of land administered by religious missionaries for the spiritual and material welfare of Aboriginal people.

plural of mission school

A school for religious, and sometimes also secular, education for the poor, funded by charitable donations. / A school conducted by a missionary abroad.