definition
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".
example
He might get cancer, or be hit by a bus, or God knows what.
definition
An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.
definition
Counts the elements before and after as two possibilities.
definition
Otherwise (a consequence of the condition that the previous is false).
example
It's raining! Come inside or you'll catch a cold!
definition
Connects two equivalent names.
example
The country Myanmar, or Burma