tickey or ticky /tikˈi/ (S Afr)

1. A former South African coin, a threepenny-bit
2. Now used of a decimal coin of small denomination

• brain drain
• brain drains
• brained
• brain fag
• brain fever
• brain-fever bird
• brain-fever birds
• brain fevers
• brainiac
• brainiacs
• brainier
• brainiest
• braininess
• braininesses
• braining
• brainish
• brainless
• brainlessly
• brainlessness
• brainlessnesses
• brain-pan
• brainpan
• brainpans
• brainpower
• brainpowers