Full Definition of KANGAROO. : any of various herbivorous leaping marsupial mammals (family Macropodidae) of Australia, New Guinea, and adjacent islands with a small head, large ears, long powerful hind legs, a long thick tail used as a support and in balancing, and rather small forelegs not used in locomotion. a leaping mammal of Australia and nearby islands that feeds on plants and has long powerful hind legs, a thick tail used as a support in standing or walking, and in the female a pouch on the abdomen in which the young are carried.
Factors that appear to contribute to Morton's neuroma include: 1  High heels. Wearing high-heeled shoes or shoes that are tight or ill fitting can place extra pressure on your toes and the ball of your foot.  Certain sports.
What is Morton's neuroma, and what causes it? Morton's neuroma is a swollen or thickened nerve in the ball of your foot. When your toes are squeezed together too often and for too long, the nerve that runs between your toes can swell and get thicker. This swelling can make it painful when you walk on that foot.