| FAS or f.a.s. | |
| —abbreviation for | |
| free alongside ship | |
| f.a.s. or f.a.s. | |
| —abbreviation for | |
| a chattering or flighty, light-headed person. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| f.a.s. free alongside ship |