pen·knife 
(pĕnnīf′)
(pĕnnīf′)n.
A small pocketknife.
[So called because it was originally used for cutting quill pens.]
- premenstrual
- premenstrual dysphoric disorder
- premenstrually
- premenstrual syndrome
- premie
- premie
- premier
- premiere
- premiership
- premillenarian
- premillenarianism
- premillennial
- premillennialism
- premillennialist
- premillennially
- Preminger
- premise
- premium
- premix
- première
- premodern
- premolar
- premonition
- premonitorily
- premonitory