A movement in dressage in which the horse makes a series of jumps on the hind legs with the forelegs in the air.
An unsteady motion.
A variation in the third nucleotide of a codon that codes for a specific aminoacid
A tremulous sound.
A low-frequency oscillation sometimes used in dubstep
To move with an uneven or rocking motion, or unsteadily to and fro.
To tremble or quaver.
To cause to wobble.
To vacillate in one's opinions.