What is the meaning of the word "y-shaped"?

Definitions:

  1. Describes something that has a shape resembling the letter 'Y', with two diverting branches or arms meeting at a single point. copy to clipboard ADJECTIVE
    • The intersection had a Y-shaped configuration, with one road splitting into two separate directions. copy to clipboard
    • The river split into a Y-shaped fork, with one branch flowing east and the other west. copy to clipboard