sign language 
noun [mass noun]
A system of communication using visual gestures and signs, as used by deaf people.If the linguistic space is sign language, then the deaf infant will acquire language in that modality....
- The videophone is already being used to let patients talk remotely to doctors, and by deaf people to communicate in sign language.
- She was phenomenal - she trained for about two months with a deaf lady and learnt sign language.
- pay rise
- payroll
- payroller
- payroll giving
- payroll tax
- payroll vote
- paysage
- paysagist
- paysan
- paysanne
- paysayg
- Pays Basque
- pay scale
- Pays de la Loire
- pay sergeant
- payshi
- payshun dock
- payslip
- pay someone back
- pay someone back in their own coin
- pay someone off
- pay something back
- pay something in
- pay something off
- pay something out (or pay out)