noun
half-word
Computing term for a unit of data half the size of a word, typically 16 bits on many architectures.
このプロセッサでは、ハーフワードは16ビットで構成される。
In this processor, a half-word consists of 16 bits.
A full word, typically 32 bits; ハーフワード is exactly half that size.
Borrowed from English 'half-word', a computing term.