In their Biblical context they are connected with resurrection. See Eliot's notes.

P. M.

Chokh Raj <[log in to unmask]> wrote:

I wonder if the image of 'dry bones' in Eliot's poetry has been explicated enough. It seems like a state of sublimation reached after the dross of 'personality' has been shed and a state is reached which is, to use a phrase from the Bhagavad Gita, 'beyond the gunas', i.e. beyond the qualities we associate with the earthly self. It is an arrival at a state of impersonality, if you like. The process of sublimation and the accruing state are described at some length in section II of  'Ash-Wednesday'. Here's a link to the poem: