Between the lines (of a text). / With annotations between the lines.

A fastener used in clothing, bags, etc, comprised of two rows of teeth that are made to fit into each other by moving a slider along their length and opened again by moving the slider in the other ...

A crack or longitudinal fissure. / A breach or separation, as in a political party; a division. / A piece that is split off, or made thin, by splitting; a splinter; a fragment.

plural of baskethouse