:10
:09
:08
:07
:06
:05
:04
:03
:02
:01
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a chattering or flighty, light-headed person. |
at the mercy of
Also, . Subject to the power of, helpless against, as in The captured rebels were at the mercy of the army commander. [Late 1500s]
Without any protection against, as in On top of Mount Washington we were at the mercy of the elements. [Late 1600s]