circumaxial
/ˌsərkəmˈækˌseɪl/ or /ˌsɜːrkəmˈækˌseɪl/Definitions
1. adjective
relating to or having a shape that is roughly circular in cross-section but extended in an axial direction
“The circumaxial design of the tunnel made it easier to excavate and maintain.”
2. adverb
in a direction that is roughly circular in cross-section but extended in an axial direction
“The engineer directed the team to build the structure circumaxially to reduce stress on the foundation.”
3. noun
a shape that is roughly circular in cross-section but extended in an axial direction
“The architect designed a circumaxial column to support the weight of the building.”