verb
-tions; -tioned; -tioning
[+ obj] to talk about, write about, or refer to (something or someone) especially in a brief way
to refer to or suggest (someone) as having a possible role or status
don't mention it
used to answer someone who has just thanked you for something
not to mention
used when referring to another thing that relates to what you have just said
noun
plural -tions
a short statement about something or someone :an act of mentioning something or someone - usually singular; [count]
US