transitive. To gain (something) by labour. Also (with cognate object): to carry out (work) by labouring. Obsolete.

transitive. To labour at or perform (work, a duty, a service, etc.). Obsolete. rare.

transitive. To work on (something); to produce, obtain, or construct by labour. Also occasionally with cognate object. Now archaic and rare.

transitive. To work away at; to attend to; to attack or assail vigorously or repeatedly (with some instrument or process). Obsolete.

transitive. To labour upon (something); to work at; esp. to till (the earth, etc.).

transitive. To work out; to work hard at; to get, make, or produce by severe labour. rare.

transitive. To labour at, work at; to exert one's strength or ability upon, to ply. Obsolete.

intransitive. figurative. To work strenuously in order to achieve a particular goal; to work hard at something.