— digammated /duy gam"ay tid/ , adj.
/duy gam"euh/ , n.
a letter of the early Greek alphabet that generally fell into disuse in Attic Greek before the classical period and that represented a sound similar to English w.
[ 1545-55; dígamma, equiv. to di- DI- 1 + gámma GAMMA; from its resemblance to two gammas placed one over the other, similar to Roman F, which is a descendant of digamma ]