bash

Short definition from Wiktionary

Verb

1. 1
   To strike heavily.
2. 2
   To collide; used with into or together.
3. 3
   To criticize harshly.
4. 4
   To abash (make ashamed)

Noun

1. 1
   A forceful blow or impact.
2. 2
   A large party; a gala event.
3. 3
   An attempt at doing something.

Proper noun

1. 1
   The Free Software Foundation's command interpreter (the "shell") for UNIX-like operating systems.
2. 2
   The scripting language provided with this interpreter.
3. 3
   Shortening of Sebastian.