1.  capsid(n = noun.animal) mirid, mirid bug - a variety of leaf bug;
is a kind of leaf bug, plant bug
is a member of capsidae, family capsidae, family miridae, miridae
has particulars: four-lined leaf bug, four-lined plant bug, poecilocapsus lineatus, lygus bug

2.  capsid(n = noun.animal) - the outer covering of protein surrounding the nucleic acid of a virus;
is a kind of protein
is a part of virion

capsid, n. any bug of the family Capsidae, esp. one that feeds on plants.

capsid, n. the protein coat or shell of a virus.

Etymology:
F capside f. L capsa box