'Tread-softly' definitions:

Definition of 'tread-softly'

From: WordNet
noun
A stinging herb of tropical America [syn: spurge nettle, tread-softly, devil nettle, pica-pica, Cnidoscolus urens, Jatropha urens, Jatropha stimulosus]

Definition of 'Tread-softly'

From: GCIDE
  • Tread-softly \Tread"-soft`ly\, n. (Bot.) Spurge nettle. See under Nettle. [1913 Webster]