dragon's teeth

1. (plural, usually plural)Square-pyramidal fortifications of reinforced concrete to impede the movement of tanks and mechanised infantry.

   Drachenzähne

2. (Australia, New Zealand, UK, plural, usually plural)A series of triangular road surface markings painted on each side of a traffic lane, used for traffic calming or to alert drivers to a speed limit.

3. (plural, usually plural)Lotus maritimus, a plant in the legume family.

4. (plural, usually plural)Used other than figuratively or idiomatically: see dragon, tooth.

regular

• dragon's toothsingular