Pey"er's glands` (?). [So called from J.K.Peyer, who described them in 1677.] Anat.
Pathches of lymphoid nodules, in the walls of the small intestiness; agminated glands; -- called also Peyer's patches. In typhoid fever they become the seat of ulcers which are regarded as the characteristic organic lesion of that disease.
© Webster 1913.