woof1
 
/
wʊf/
n.
 the barking sound made by a dog.
v.
   - bark.
 - US black slang say something boastfully or aggressively.
 - informal consume (food) ravenously.
 
Etymology
C19: imitative.
woof2
 
/
wuːf/
n.
 another term for 
weft1.
Etymology
OE ōwef, a compound from the base of weave1; ME oof later became woof by assoc. with warp.