Gomme means eraser so it is feminine so it can be either une gomme or la gomme.
In French, "gomme" is feminine.
Laurence Gomme died in 1916.
Laurence Gomme was born in 1853.
Andor Harvey Gomme was born in 1930.
Arnold Wycombe Gomme was born in 1886.
Arnold Wycombe Gomme died in 1959.
Bernard de Gomme was born in 1620.
Andor Harvey Gomme died in 2008.
Bernard de Gomme died in 1685.
"C'est une gomme" is French for "It's an eraser."
The word "gomme" is feminine in French.