noun.
Effort expended on a particular task; toil, work.
noun.
Workers in general; the working class, the workforce; sometimes specifically the labour movement, organised labour.
noun.
A political party or force aiming or claiming to represent the interests of labour.
noun.
The act of a mother giving birth.
noun.
The time period during which a mother gives birth.
verb.
To toil, to work.
verb.
To belabour, to emphasise or expand upon (a point in a debate, etc).