tailgate

From tail +‎ gate.

a pickup truck with an open tailgate

• (UK, US) IPA^(key): /ˈteɪlˌɡeɪt/

The tailgates of Camden Lock are in the foreground.

tailgate (plural tailgates)

1. A hinged board or hatch at the rear of a vehicle that can be lowered for loading and unloading; a tailboard.
2. (Britain) The hinged rear door of a hatchback.
3. Either of the downstream gates in a canal lock. (Can we add an example for this sense?)

• (hatch at rear of vehicle): tailgate party

• tailgate on Wikipedia.Wikipedia
• security distance

“No tailgating” sign.

tailgate (third-person singular simple present tailgates, present participle tailgating, simple past and past participle tailgated)

1. (automotive) To drive dangerously close behind another vehicle.

   That idiot has been tailgating me for the last five minutes.

2. To follow another person through access control on their access, rather than on one’s own credentials, especially when entering a door controlled by a card reader.
3. (finance, of a broker) To privately purchase or sell a security immediately after trading in the same security for a client.
4. (US) To have a tailgate party.

• (access control): piggyback, draft

• (buying or selling a security): front run

• Tailgate (disambiguation) on Wikipedia.Wikipedia