v.
1.after a calculation, investigation, experiment, survey, or study
2.be careful or certain to do something
3.find out, learn, or determine with certainty, usually by making an inquiry or other effort
4.learn or discover with certainty
Idiom of the Day
head for (someone/something/somewhere)
to aim for someone/something/somewhere, to move toward someone/something/somewhere
The tropical storm is heading for the large island. The dog in the park was heading for the woman.