直ちょく腸ちょうちょくちょうFreq.FrequencyTop 50,000Meanings1nounrectumanatomyAnatomical term for the final section of the large intestine.直ちょく腸ちょうは大だい腸ちょうの最さい後ごの部ぶ分ぶんです。The rectum is the final part of the large intestine.直ちょく腸ちょうがんの検けん査さを受うける。Get screened for rectal cancer.