pen·knife 
(pĕnnīf′)
(pĕnnīf′)n.
A small pocketknife.
[So called because it was originally used for cutting quill pens.]
- gametogenic
- gametogenous
- gametophore
- gametophoric
- gametophyte
- gametophytic
- game warden
- gamey
- gamey
- gamic
- gamily
- gamin
- gamine
- gaminess
- gaming
- gamma
- gamma-aminobutyric acid
- gamma benzene hexachloride
- gamma-butyrolactone
- gamma camera
- gamma correction
- gamma decay
- gamma globulin
- gammaglobulin
- gamma-hydroxybutyrate