Answer: block

AnswerCrossword Clue
blockquantity taken as a unit
BLOCKLego unit
BLOCKJam
BLOCKVeto
BLOCKLego piece
BLOCKTackle's partner
BLOCKCity sector
BLOCKProtect the quarterback
BLOCKUrban land unit
BLOCKOne of a set for toddlers
BLOCKPartner of tackle
BLOCKTetris piece
BLOCKCity division
blockcity section enclosed by intersecting streets or the length of one side of such a section
blockto obstruct (to get in the way of)
blockto obstruct
blockto sketch or outline roughly or generally, without details
blockobstacle
blockto offer or be offered for sale at auction
blockto outline roughly
blocksolid mass of wood, stone, etc.
blockframe enclosing a pulley
blockobstruction in a physical or mental process
BLOCKChild's building toy
BLOCKPlug
BLOCK"Old" chip producer?
BLOCKWord with chopping or stumbling
BLOCK... party (neighborhood get-together)
BLOCKWriter's problem
BLOCKBuilding toy
BLOCKInhibit
BLOCKCheck
BLOCKTackle partner
BLOCKKeep from happening
BLOCKImpede
BLOCKCity square
BLOCKNoggin
BLOCKOffensive action, in football.
BLOCKOne side of a city square.
BLOCKCity square.