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.
    A zygote is the resulting single cell that is formed from the  fertilization of a sperm and an ovum. After several divisions, it  implants in the uterus. It keeps dividing, producing more cells and  passes through the stages of embryo and fetus. zygote is the initial cell developed through sexual reproduction and formed when two gametes come together. In other words, a zygote results when the female egg is fertilize â¦ d. After rapid cell division, it eventually becomes an embryo. 20 people found this useful.