Answer:

knot

Answer	Crossword Clue
KNOT	Board imperfection
KNOT	Clove hitch, e.g.
KNOT	Connection

KNOT	It may be square
KNOT	Sheepshank
KNOT	Tangle
KNOT	Headphone cable headache
KNOT	Clove hitch or sheepshank
KNOT	Entwine
KNOT	Granny, e.g.
KNOT	Shoelace problem

KNOT	Nautical speed measure
KNOT	Double hitch, e.g.
KNOT	Marriage metaphor
KNOT	Bit of macrame?
KNOT	Entanglement
KNOT	Bend or hitch
KNOT	Topology problem
KNOT	Target to massage

KNOT	Puzzle from Gordius
KNOT	Snag or snarl
KNOT	Half hitch or bowline
KNOT	Macrame feature
KNOT	Square or granny
KNOT	Escape-artist's obstacle
KNOT	Naval unit
KNOT	Granny or hitch

KNOT	Hose annoyance
KNOT	It may be tied at a pier
KNOT	Lasso feature
KNOT	Nautical speed unit
KNOT	Tense sensation
KNOT	Unit of speed
KNOT	Tummy tenseness
KNOT	Boater's unit

KNOT	Granny, for one
KNOT	Masseuse's challenge
KNOT	Massage target
KNOT	Necktie feature
KNOT	Sheepshank, e.g.

Crossword

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