| a chattering or flighty, light-headed person. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| endo- or (before a vowel) end- | |
| —combining form | |
| inside; within: endocrine | |
| [from Greek, from endon within] | |
| end- or (before a vowel) end- | |
| —combining form | |
| [from Greek, from endon within] | |
end- pref.
Variant of endo-.