Wordnet 3.0
NOUN (1)
1.
(music) a composition or passage played in a slow tempo slightly faster than largo but slower than adagio;
ADJECTIVE (1)
1.
(of tempo) less slow and broad than largo;
The Collaborative International Dictionary of English v.0.48:
Larghetto \Lar*ghet"to\, a. & adv. [It., dim. of largo largo.]
(Mus.)
Somewhat slow or slowly, but not so slowly as largo, and
rather more so than andante.
[1913 Webster]
WordNet (r) 3.0 (2006):
larghetto
adj 1: (of tempo) less slow and broad than largo
n 1: (music) a composition or passage played in a slow tempo
slightly faster than largo but slower than adagio