When you see "As ___ as ____" you are looking at a simile, not an idiom. A simile is just a way of comparing two things in a vivid way. In this case, you're comparing something to a dry, hard bone. In other words, this thing is very dry.
Similes for dry: As dry as a scorching desert. Dry as a bone. Dry as the Sahara.
It can be, meaning without water, or arid, or not damp. Dry is also a verb (to dry) meaning to remove water or other liquid, or to dehydrate.
DRY
they are cousins
hi
This means very dry/thirsty Give me a drink I'm as dry as a bone! Look at this firewood it's as dry as a bone.
Dry As a Bone was created in 1987-07.
It is two words: bone dry.
As dry as a bone.
its as dry as bones
Similes for dry: As dry as a scorching desert. Dry as a bone. Dry as the Sahara.
The cast of Bone Dry - 2011 includes: Laura Grey Jordan Klepper
The cast of Bone Dry Blues - 1922 includes: Billy Ruge
An avulsion fracture is the term meaning tearing a bone.
The lyrics were, "Your leg bone connected to your knee bone".
Fx is the medical abbreviation meaning broken bone or fracture
When the cactus is dry but not bone dry. Do not over water it.