What is "waxing kernels"

Wax \Wax\ (w[a^]ks), v. i. [imp. Waxed; p. p. Waxed, and Obs. or Poetic Waxen; p. pr. & vb. n. Waxing.] [AS. weaxan; akin to OFries. waxa, D. wassen, OS. & OHG. wahsan, G. wachsen, Icel. vaxa, Sw. v["a]xa, Dan. voxe, Goth. wahsjan, Gr. ? to increase, Skr. waksh, uksh, to grow.

1. To increase in size; to grow bigger; to become larger or fuller; -- opposed to wane.

   The waxing and the waning of the moon.
   --Hakewill.

   Truth's treasures . . . never shall wax ne wane.
   --P. Plowman.

2. To pass from one state to another; to become; to grow; as, to wax strong; to wax warmer or colder; to wax feeble; to wax old; to wax worse and worse.

   Your clothes are not waxen old upon you.
   --Deut. xxix. 5.

   Where young Adonis oft reposes, Waxing well of his deep wound.
   --Milton.

   Waxing kernels (Med.), small tumors formed by the enlargement of the lymphatic glands, especially in the groins of children; -- popularly so called, because supposed to be caused by growth of the body.
   --Dunglison.

n. (waxing kernel English)