Answer:

burs

Answer	Crossword Clue
BURS	Prickly casings
BURS	Stickers without prices
BURS	Prickly seed covers

BURS	Prickly seedcases
BURS	Hiker's sock attachments
BURS	Prickly seed cases
BURS	Prickly covers
BURS	Prickly sorts?
BURS	Hangers-on.
BURS	Prickly envelopes of fruits.
BURS	Prickly seedcases.

BURS	Prickly seed cases.
BURS	Dentists' drills
BURS	Dental tools
BURS	Prickly weeds: Var.
BURS	Sticktights' seedcases
BURS	Seed cases
BURS	Nut cases?
BURS	Stickers

BURS	Chestnut coats
BURS	Prickly seeds
BURS	Stickers on hikers
BURS	Prickly plant parts

Crossword

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