(humorous or dated, figuratively) To work as an theater actor.

present participle of tread the boards

To take part in a dance; to dance.

To tread lightly.

Chaya or tree spinach (Cnidoscolus aconitifolius). / Bull or spurge nettle (Cnidoscolus stimulosus). / Carolina horsenettle (Solanum carolinense).

present participle of tread lightly

simple past tense of tread lightly / past participle of tread lightly

simple past tense of tread the boards

(UK, informal) To hurt someone's feelings.

To offend someone. / Used other than figuratively or idiomatically: see tread, toes.