water bug

Noun water bug has 2 senses

• water bug(n = noun.animal) Array - a true bug: large aquatic bug adapted to living in or on the surface of water; Array
is a kind of heteropterous insect
has particulars: giant water bug, water scorpion, boat bug, water boatman, pond-skater, water skater, water strider

• water bug(n = noun.animal) blattella germanica, croton bug, crotonbug, german cockroach - small light-brown cockroach brought to United States from Europe; a common household pest; Array
is a kind of cockroach, roach
is a member of blattella, genus blattella