Labour

Effort expended on a particular task; toil, work.

Workers in general; the working class, the workforce; sometimes specifically the labour movement, organised labour.

A political party or force aiming or claiming to represent the interests of labour.

labour

The act of a mother giving birth.

The time period during which a mother gives birth.

To toil, to work.

To belabour, to emphasise or expand upon (a point in a debate, etc).