| FL | the rank of a flag officer |
|---|---|
| FL | smut affecting leaves and stems of cereals and other grasses |
| FL | a smut fungus causing a smut in cereals and other grasses that chiefly affects leaves and stems and is characterized chains of sori within the plant tissue that later rupture releasing black masses of spores |
| FL | a small railway station where the train stops only on a signal |
| FL | an appeal intended to arouse patriotic emotions |
| FL | an extreme bellicose nationalist |
| FL | fanatically patriotic |
| FL | a person who whips himself as a religious penance |
| FL | a person who is whipped or whips himself for sexual gratification |
| FL | protozoa having flagella |
| FL | usually nonphotosynthetic free-living protozoan with whiplike appendages |
| FL | whip |