What is the meaning of Metastasis?

A change in nature, form, or quality.

The transference of a bodily function or disease to another part of the body, specifically the development of a secondary area of disease remote from the original site, as with some cancers.

The spread of something harmful to another location, such as the metastasis of a cancer.

A sudden or rapid transition from one point, topic or argument to another, often to evade an uncomfortable subject or to redirect the discussion.

metastasis:

1. a change in nature, form, or quality
2. the transference of a bodily function or disease to another part of the body, specifically the development of a secondary area of disease remote from the original site, as with some cancers

a change in nature, form, or quality

the transference of a bodily function or disease to another part of the body, specifically the development of a secondary area of disease remote from the original site, as with some cancers

Source: wiktionary.org