noun the rim of a hat.
2. brim ·vi to be full to the brim.
3. brim ·vt to fill to the brim, upper edge, or top.
4. brim ·adj fierce; sharp; cold. ·see breme.
5. brim ·noun the edge or margin, as of a fountain, or of the water contained in it; the brink; border.
6. brim ·noun the rim, border, or upper edge of a cup, dish, or any hollow vessel used for holding anything.