Or

conjunction

1. Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either [...] or".

   "He might get cancer, or be hit by a bus, or God knows what."

2. An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.
3. Counts the elements before and after as two possibilities.
4. Otherwise (a consequence of the condition that the previous is false).

   "It's raining! Come inside or you'll catch a cold!"

5. Connects two equivalent names.

   "The country Myanmar, or Burma"