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Webster 1913 Edition
Metastasis
Me-tas′ta-sis
,Noun.
pl. 
Metastases 
(#)
. [L., transition, fr. Gr. [GREEK], fr. [GREEK] to place in another way; [GREEK] after + [GREEK] to place.] 
1. 
(Theol.) 
A spiritual change, as during baptism. 
2. 
(Med.) 
A change in the location of a disease, as from one part to another. 
Dunglison.
 4. 
(Physiol.) 
The act or process by which matter is taken up by cells or tissues and is transformed into other matter; in plants, the act or process by which are produced all of those chemical changes in the constituents of the plant which are not accompanied by a production of organic matter; metabolism. 
Webster 1828 Edition
Metastasis
METAS'TASIS
,Noun.