tread-softly

from WordNet (r) 3.0 (2006)

tread-softly
    n 1: a stinging herb of tropical America [syn: {spurge nettle},
         {tread-softly}, {devil nettle}, {pica-pica}, {Cnidoscolus
         urens}, {Jatropha urens}, {Jatropha stimulosus}]

from The Collaborative International Dictionary of English v.0.48

Tread-softly \Tread"-soft`ly\, n. (Bot.)
   Spurge nettle. See under {Nettle}.
   [1913 Webster]

[email protected]