Tail Tail The Big Bopper The word tail in the English language has a number of meanings:

Tail (anatomy) is used to describe the rear end of an Animal's body, especially when it forms a distinct, flexible appendage to the trunk;
"Tail" can describe anything like an animal's tail in form or position, such as the tail of a shirt;
a tuxedo jacket is sometimes referred to as "tails" if the bottom part of the jacket is in the shape of a Penguin's backside;
a tail is also the luminous train behind a Comet or Meteor, or a train of attendants or followers (see Retinue);
the reverse side of a coin is called the tails side;
a long braid or tress of hair is sometimes called a tail, although Queue is probably a better description;
a tail can be the rear or back section of a number of moving objects, such as an Aircraft, a Missile or a Skateboard;
to tail someone in surveillance is to follow that person stealthily;
in the Unix operating system, the tail (Unix)|tail command provides the last few lines of a file;
in Crossword clues, the tail is the end of the words. Thus Army Detail is Arm.
a tail of a Helicopter is the section that that extends from the main body of a helicopter, which usually has the Tail rotor.
In Computer science, a tail refers to all the items in a List except the first item, or head, of the list.