labouring >> ˈleɪb(ə)rɪŋ
Definition: [adjective] working at an unskilled manual occupation.
Example: the labouring classes
Definition: [adjective] working or moving with difficulty.
Example: his labouring heart calmed
Definition: [adjective] (of a woman) in labour; in the process of giving birth.
Example: labouring women can use a flannel or a spray of water to cool themselves down