There are 2 definitions of st in English:

st1

Syllabification: st

abbreviation

Stone (in weight).

Definition of st in:

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Word of the day envenom
Pronunciation: enˈvenəm
verb
put poison on or into; make poisonous

There are 2 definitions of st in English:

ST2

Syllabification: ST

abbreviation

Stokes.

Definition of st in: