Answer:

COB

Answer	Crossword Clue
COB	Corn eater's leftover
COB	Male swan
COB	Kernel holder

COB	Corn-eater's throwaway
COB	Pen pal
COB	Thing held at a corn festival
COB	Middle ear part?
COB	Pen's partner
COB	Pipe-making material
COB	Pen's mate
COB	Ear interior

COB	Corn holder
COB	Corn core
COB	Ear piece?
COB	Cookout discard
COB	Cookout throwaway
COB	Corn site
COB	Cookout disposable
COB	Corn eater's discard

COB	Rustic pipe material
COB	Picnic discard
COB	Core with kernels
COB	Corn unit
COB	Corn piece
COB	Corn discard
COB	Cheap pipe material
COB	Graceful male swimmer

COB	Kernel's home
COB	Kernel keeper
COB	Inner ear?
COB	Kernel-covered core
COB	Pipe bowl source, perhaps
COB	Potential pipe
COB	Web preceder
COB	Corn on the ...

COB	Pipe source
COB	Cygnet's father
COB	It's covered in kernels
COB	Place for a corn skewer
COB	Crib unit

Crossword

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