berk

n. (British Slang) idiot, stupid person, dope

Miles Joseph Berkeley (April 1, 1803 – July 30, 1889) was an English botanist.Berkeley was born at Biggin Hall, Northamptonshire, and educated at Rugby School and Christ's College, Cambridge, of which he became an honorary fellow. Taking holy orders, he became incumbent of Apethorpe in 1837, and vicar of Sibbertoft, near Market Harborough, in 1868. He acquired an enthusiastic love of cryptogamic botany (lichens) in his early years, and soon was recognized as the leading British authority on fungi and plant pathology.
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Noun
1. a stupid person who is easy to take advantage of
(hypernym) stupid, stupid person, dullard, dolt, pudding head, pudden-head, poor fish, pillock
(classification) United Kingdom, UK, Great Britain, GB, Britain, United Kingdom of Great Britain and Northern Ireland

n. birch, type of tree

"hard, solid, firm; strong, firm"