1) Another type of thermometer 2) Body part 3) Of or involving the rectum 4) Type of cavity search 5) Type of thermometer 
[medicine] The rectal route of administration (ROA) is a way of administering drugs into the rectum to be absorbed by the rectum`s blood vessels and into the body`s circulatory system which distributes the drug to the body`s organs and various systems where the drug elicits its effects. A drug that is administered rectally will in general (...
• (a.) Of or pertaining to the rectum; in the region of the rectum.
pertaining to the rectum (= distal portion of the large intestine).
By or having to do with the rectum. The rectum is the last several inches of the large intestine closest to the anus.
Relating to the rectum â€` part of the large intestine (large bowel).
<anatomy> Pertaining to the rectum, the distal portion of the large intestine. ... (18 Nov 1997) ... 
(rek´tәl) pertaining to the rectum.
Rec'tal adjective (Anat.) Of or pertaining to the rectum; in the region of the rectum. 
Relating or belonging to the rectum.
Relating to, affecting, or being near the rectum.
Type: Term Pronunciation: rek′tăl Definitions: 1. Relating to the rectum.
[adj] - of or involving the rectum
adjective of or involving the rectum; `rectal cancer`