The noun NINJA has 2 senses: 1. a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu. 2. a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations.
zygoma (zÄ«gÅÂ´mÉ), n 1. a long, slender process of the temporal bone, arising from the lower part of the squamous portion of the temporal bone and passing forward horizontally to join with the malar or zygomatic bone. 2. the zygomatic or malar bone that forms the prominence of the cheek.
zygomatic bone. the bone forming the hard part of the cheek and the lower, lateral portion of the rim of the orbit. See also Table 10. zygomatic gland. a salivary gland, formerly known as the orbital or upper molar gland, best developed in carnivores; located above the zygomatic arch and below the eye.