She maintains a busy practice as a leading 'silk' in employment law.
He 'took silk' [=reached the highest barrister's rank] in 2001.
The robe has butterflies embroidered in 'silk' on the sleeves.
(..) I want you to get Lois to introduce you to Superman. Find out who he is. Where did he get that blue suit? Did he have it made? ls it silk? ls it plastic? I know it all seems a bit much... ...but how else was I going to meet you, Superman? I knew you'd never accept an invitation to tea. (..)1978 Superman