Meanings

making materials in a library available in open stacks

bridge girder

to do something useless

suspension (of an automobile)

elevated bridge

overhead wires

rack

between equipment

making a phone call

gilding the lily

horizontal structural members (beams, girders, etc.) of a building

closed-stacks (e.g. in a library)

(car) accessories

to suspend between two points

to bridge (e.g. cultural divides, technical differences, etc.)

shelving location of books (in a library)

library arrangement

to span (e.g. a stream with a bridge)

fraud based on demanding payment for false claims or non-existent bills

drying rice on a rack