| Word | Definitions | Synonyms |
|---|---|---|
| estoppel | (noun) a rule of evidence whereby a person is barred from denying the truth of a fact that has already been settled | - |
| rappel | (noun) (mountaineering) a descent of a vertical cliff or wall made by using a doubled rope that is fixed to a higher point and wrapped around the body | Synonyms: abseil |
| (verb) descend by means of a rappel | Synonyms: abseil, rope down |