noun

• (uncountable) Workers in general; the working class, the workforce; sometimes specifically the labour movement, organised labour.
  "In the autumn there was a row at some cement works about the unskilled labour men. A union had just been started for them and all but a few joined. One of these blacklegs was laid for by a picket and knocked out of time."
• (uncountable) A political party or force aiming or claiming to represent the interests of labour.
• (medicine, obstetrics) The act of a mother giving birth.
• (nautical) The pitching or tossing of a vessel which results in the straining of timbers and rigging.

verb

• (intransitive) To toil, to work.
  "Standing on the mountain above Caerphilly, one may reflect upon the gap where once stood Llanbradach Viaduct, and look near at hand upon the restored ruins of Caerphilly Castle; man labours to rebuild the mediaeval whilst he ruthlessly scraps the modern."
• (transitive) To belabour, to emphasise or expand upon (a point in a debate, etc).
  "I think we've all got the idea. There's no need to labour the point."
• (nautical) To pitch or roll heavily, as a ship in a turbulent sea.
  "the ship laboured so much, and took in so much water in her upper works, that we could neither eat, nor sleep dry"

name

• (UK, New Zealand) Short for the Labour Party.
• (Australia) Misspelling of Labor, an Australian political party.