Meaning of find out

(verb) establish after a calculation, investigation, experiment, survey, or study; "find the product of two numbers"; "The physicist who found the elusive particle won the Nobel Prize"

(noun) the position of ruler

(verb) find out, learn, or determine with certainty, usually by making an inquiry or other effort; "I want to see whether she speaks French"; "See whether it works"; "find out if he speaks Russian"; "Check whether the train leaves on time"

trap; especially in an error or in a reprehensible act; "He was caught out"; "She was found out when she tried to cash the stolen checks"