The section of the benthos that includes animals neither small enough to be grouped with the microfauna nor large enough to be grouped with the macrofauna.
Origin
1940s. From meio- + benthos. Compare macrobenthos and microbenthos.
Definition of meiobenthos in US English:
meiobenthos
nounˌmʌɪəʊˈbɛnθɒs
Ecology
The section of the benthos that includes animals neither small enough to be grouped with the microfauna nor large enough to be grouped with the macrofauna.
Origin
1940s. From meio- + benthos. Compare macrobenthos and microbenthos.