adj. That proceeds by leaps rather than by smooth, continuous variation
the GNU version of the Collaborative International Dictionary of English
adj. Leaping or dancing; having the power of, or used in, leaping or dancing.
The Century Dictionary and Cyclopedia
Same as saltatorial.
n. A leaper or dancer.
Word Usage
"In recent years Bateson in particular has championed the idea of saltatory, or so-called discontinuous evolution, and has collected a number of cases in which more or less marked variations have suddenly appeared."