From WordNet (r) 2.0 (August 2003) [wn]:
spaghetti
n : pasta in the form of long strings
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Spaghetti \Spa*ghet"ti\, n. [It.]
A variety or macaroni made in tubes of small diameter.
[1913 Webster] Spagyric