How do you spell Mallei

Available Definitions:
1)  n. - The outermost of the three small auditory bones, ossicles; the hammer. It is attached to the tympanic membrane by a long process, the handle or manubrium. See Illust . of Far.
2)  n. - One of the hard lateral pieces of the mastax of Rotifera. See Mastax .
3)  n. - A genus of bivalve shells; the hammer shell.