feath·er·weight 
(fĕthər-wāt′)
(fĕthər-wāt′)n.
1.
a. A weight division in professional boxing having an upper limit of 126 pounds (56.7 kilograms), between junior featherweight and junior lightweight.
b. A boxer competing in this weight division.
c. A similar weight division in other sports, such as weightlifting.
d. A contestant in this weight division.
2. A person or thing of little weight or size.
3. An insignificant person: a political featherweight.
adj.
1. Of or relating to featherweights.
2. Unimportant; trivial: featherweight political issues.
- vacua
- vacuity
- vacuolar
- vacuolar membrane
- vacuolate
- vacuolated
- vacuolation
- vacuole
- vacuous
- vacuously
- vacuousness
- vacuum
- vacuum aspiration
- vacuum bottle
- vacuum casting
- vacuum cleaner
- vacuum curettage
- vacuum drying
- vacuum energy
- vacuum flask
- vacuum fluctuation
- vacuum gauge
- vacuum-packed
- vacuum pressure
- vacuum pump