Swab

/swäb/

[From the mnemonic for the PDP-11 SWAp Byte instruction, as immortalized in the dd(1) option conv=swab (see dd)] 

1. vt. To solve the NUXI problem by swapping bytes in a file.

2. n. The program in V7 UNIX used to perform this action, or anything functionally equivalent to it.

   See also big-endian, little-endian, middle-endian, bytesexual.