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.
Top 10 unbelievable historical concurrencies. The zygomaticus is a set of muscles found in the cheekbone that serves to pull the facial expression upward, as in smiling, laughing, or when one is wincing. There are two types of this muscle: major and minor. Both muscles stretch downward from the cheekbone to different areas of the mouth. These muscles are also one of the areas through which the facial nerve is innervated. The zygomaticus major extends from the top of the cheekbone, also called the zygomatic or malar bone, to the corners of the mouth.