coiled
O-shaped
ambagious
anfractuous
backhanded
circuitous
circular
cochlear
cochleate
corkscrew
corkscrewy
deviating
deviative
devious
digressive
discursive
excursive
helicoid
indirect
meandering
oblique
orbital
out-of-the-way
rotary
round
roundabout
screw-shaped
scrolled
spiral
spiroid
turbinal
turbinate
verticillate
volute
voluted
whorled
100-foot
contrast-enhanced
cup-shaped
dipolar
dipole
field-expedient
figure-eight
half-wave
helicoidal
hydrophobic
medium-gain
needlelike
omni-directional
quarter-wave
retractable
spindly
switchback
thermostatic
transversal
well-trodden
Evangelical
evangelical