hard labour 
noun [mass noun]
Heavy manual work as a punishment: he was sentenced to eighteen months' imprisonment with hard labour...
- He was sentenced to fifteen years' imprisonment with hard labour and ten strokes of the tamarind birch.
- He was sentenced to life imprisonment with hard labour.
- If found guilty they should face the death penalty, in those countries which have it, or life imprisonment with hard labour elsewhere.
- ostrakon
- os trapezium
- Ostrava
- ostreaceous
- ostreiculture
- ostreiform
- ostreophage
- ostreophagist
- ostrich
- ostrich dinosaur
- ostrich-egg cup
- ostrich farm
- ostrich farmer
- ostrich farming
- ostrich feather
- ostrich fern
- ostrichism
- ostrich meat
- ostrich plume
- ostrich-plumed
- ostrobogulosity
- ostrobogulous
- ostrog
- Ostrogoth
- Ostrogothic