ETYM Latin annularis, from annulis ring: cf. French annulaire.
Shaped like a ring; SYN. annulate, annulated, circinate, circular, ringed, ring-shaped.
Pertaining to, forming or having shape of a ring. annular eclipse, eclipse of sun in which a ring of its surface surrounds the moon.

Ring-shaped; rolled inwards; spiralling; rolled into a close spiral.

ETYM Late Lat. circuitosus.
Marked by obliqueness or indirection in speech or conduct; SYN. roundabout.

Resembling a circle; SYN. cycloidal.

ETYM Latin devius; de + via way. Related to Viaduct.
1. Characterized by insincerity or deceit; evasive; SYN. shifty.
2. Departing from the accepted or proper way; misleading; SYN. oblique.
3. Deviating from a straight course; SYN. circuitous, roundabout.

1. Turning like a wheel; rotary
2. Relating to, occurring in, or characterized by rotation