grooved

verb

1. (form-of, participle, past)simple past and past participle of groove

adj

1. Having one or more grooves.

   “The line from Nyon to La Cure (17½ miles) was opened in 1916, and is on independent track throughout, leaving the road immediately after passing under the Swiss Federal line from Lausanne to Geneva, where grooved tramrails with tie-bars give place to steel-sleepered track.”