along the length
- lengthwiseAlong the longer dimension
- longitudinalAlong the longer dimension
- spanningExtending across something
- stretchingExtending muscles or material
- runningSwift foot travel
extending · end to end · traversing · following · parallel · stripe · ribbon · continuous · unbroken · linear · corridor · pathway · river · streamlined · elongated · horizontal · edge · border
along the lengthcrosswise
At right angles
widthwise · athwart · transversely · laterally · side to side