Britannia n
1 a female warrior carrying a trident and wearing a helmet, personifying Great Britain or the British Empire
2 (in the ancient Roman Empire) the S part of Great Britain
3 short for →
Britannia coin
Britannia coin n
any of four British gold coins introduced in 1987 for investment purposes; their denominations are £100, £50, £25, and £10
Britannia metal n
an alloy of low melting point consisting of tin with 5--10 per cent antimony, 1--3 per cent copper, and sometimes small quantities of zinc, lead, or bismuth: used for decorative purposes and for bearings