definition of
gravel

[1] #1 gravel n. [crushed rock] rock fragments and pebbles. wn

[2] #2 gravel v. [annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, vex, chafe, devil] cause annoyance in; disturb, especially by minor irritations; "Mosquitoes buzzing in my ear really bothers me"; "It irritates me that she never closes the door after she leaves". wn

[3] #3 gravel v. cover with gravel; "We gravelled the driveway". wn

[4] #4 gravel v. [perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, amaze, dumbfound] be a mystery or bewildering to; "This beats me!"; "Got me--I don't know the answer!"; "a vexing problem"; "This question really stuck me". wn