dragon's teeth

C1Mythology

(figurative, idiomatic)In Greek mythology, teeth that, when planted, grow into armed warriors, symbolizing actions that lead to unintended conflict.

Example

• Sowing dragon's teeth can lead to unexpected battles, just like in the myth of Cadmus.

B2Military

(technical)Concrete barriers shaped like pyramids designed to block the movement of tanks and other vehicles.

Example

• The soldiers installed dragon's teeth along the border to prevent enemy tanks from advancing.

B2Road Transport

(UK, Australia, New Zealand)Triangular road markings used to slow down traffic or alert drivers to speed limits.

Example

• Drivers should reduce speed when they see dragon's teeth painted on the road.

C1Botany

(scientific)A plant species in the legume family, also known as Lotus maritimus.