Alpacas are South American animals similar to llamas. Their hair is the source of alpaca wool.
alpaca in British English1
(ælˈpækə)
noun
1.
a domesticated cud-chewing artiodactyl mammal, Lama pacos, closely related to the llama and native to South America: family Camelidae. Its dark shaggy hair is a source of wool
2.
the cloth made from the wool of this animal
3.
a glossy fabric simulating this, used for linings, etc
Word origin
C18: via Spanish from Aymara allpaca
alpaca in British English2
or sometimes alpacca (ælˈpækə)
noun
a type of nickel silver used in jewellery
Word origin
of uncertain origin
alpaca in American English
(ælˈpækə)
nounWord forms: pluralalˈpacas or alˈpaca
1.
a domesticated South American llama (Lama glama pacos) with valuable, long, silky, brown or black wool
2.
its wool
3.
a thin cloth woven from this wool, often mixed with other fibers
4.
a glossy, generally black cloth of cotton or rayon, used for linings, suits, etc.