interstice

There was only one crack, and that a very little one; nevertheless he worked his claws into the interstice and dug.

She threw on a heavy bathrobe and kept it on when she crept into the icy interstice between the all-too-snowy sheets.

I turn now to the literary work which filled every available interstice of time.

Wherever the eye found interstice between the fronds of spruce and hemlock the stars spangled the frosty blue.

He made a movement to close the door, but Marcos put his thickly booted foot in the interstice.