Emily Dickinson Lexicon

TU'BER-CLE, n. [Fr. tubercule, from L. tuberculum, from tuber, a bunch.]

1. A pimple; a small push, swelling or tumor on anima bodies.
2. A little knob, like a pimple, on plants; a little knob or rough point on the leaves of some lichens, supposed to be the fructification. Martyn.