marla noun3 •A unit of area used in the Indian subcontinent, of varying size, but roughly 250 square feet. •(Ireland) Plasticine; modelling clay.Miss Carney handed us out blank paper and marla, old plasticine with the colours all rolled together into brown. — 1996 •(Australia) A rufous hare-wallaby (Lagorchestes hirsutus), a small desert marsupial of Australia. formsmarlas