I. ˈrisəwə̇d, -ˌsȯid adjective
or ris·soid·e·an |risə|widēən, rə̇ˈsȯid-
Etymology: rissoid from New Latin Rissoidae; rissoidean from New Latin Rissoidae + English -an
: of or relating to the Rissoidae
II. noun
( -s )
: a snail of the family Rissoidae