A plant, ladies' tresses.

simple past tense and past participle of contact trace

Third-person singular simple present indicative form of contact trace

(chiefly attributive) The automatic capture of the originating numbers of incoming calls to a particular telephone number.

(epidemiology) To identify everyone with whom a person carrying an infectious disease has come into contact since contracting the disease.

Third-person singular simple present indicative form of contact-trace

simple past tense and past participle of contact-trace

A process of determining the current and past locations (and other information) of a unique item or property.

To keep or have a record of an item's location using track and trace.

A means of combating coronavirus by taking samples from individuals and instructing those who are infected to isolate themselves from others and provide details of their recent close contacts, who are also told to isolate.