A main road or motorway in Europe which is allocated an E-number. Many of these roads cross international borders.

plural of e-signature

plural of e-address

(slang) A recreational user of the drug MDMA or ecstasy.

(Internet) Data used by a signatory to sign something electronically. It may involve cryptography or may simply be a name typed into a document.

plural of E-head

e-mail address

plural of E-tard

(slang, derogatory) A person who takes the drug MDMA or ecstasy.

plural of e-educator