Defn: The third letter (G) of the Greek alphabet.
GAMMADION
Gam*ma"di*on, n.
Defn: A cross formed of four capital gammas, formerly used as a mysterious ornament on ecclesiastical vestments, etc. See Fylfot.
GAMMA RAYS
Gam"ma rays. (Physics)
Defn: Very penetrating rays not appreciably deflected by a magnetic or electric field, emitted by radioactive substances. The prevailing view is that they are non-periodic ether pulses differing from Röntgen rays only in being more penetrating.
GAMMER Gam"mer, n. Etym: [Possibly contr. fr. godmother; but prob. fr. grammer for grandmother. Cf. Gaffer.]
Defn: An old wife; an old woman; — correlative of gaffer, an old man.
GAMMON Gam"mon, n. Etym: [OF. gambon, F. jambon, fr. OF. gambe leg, F. jambe. See Gambol, n., and cf. Ham.]
Defn: The buttock or tight of a hog, salted and smoked or dried; the lower end of a flitch. Goldsmith.
GAMMON
Gam"mon, v. t. [imp. & p. p. Gameed; p. pr. & vb. n. Gameing.]