Answer:

sweetcorn

Answer	Crossword Clue
SWEETCORN	Starchy vegetable
SWEETCORN	Succotash ingredient
SWEETCORN	Roasting ears.

SWEETCORN	Tender ears
SWEETCORN	Fourth of July earful
SWEETCORN	It may have big ears

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.