|a scrap or morsel of food left at a meal.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
limen li·men (lī'mən)
n. pl. li·mens or lim·i·na (lĭm'ə-nə)
The threshold of a physiological or psychological response.
The external opening of a canal; an entrance.