Answer: umbilicuses

AnswerCrossword Clue
umbilicusesThe navel
umbilicusesUMBILICUS, the navel (a depression in the abdomen)
umbilicusesA hole at each end of the hollow shaft of a feather
umbilicusesA depression or hole at the center of the shell whorls of some gastropod mollusks and many ammonites