Loph'o·branch adjective [ Greek lofia` crest or tuft + bra`gchion gill.] (Zoology) Of or pertaining to the Lophobranchii. -- noun One of the Lophobranchii. Found on http://www.encyclo.co.uk/webster/L/61
belonging or pertaining to the Lophobranchii, the group of fishes comprising the pipefishes, sea horses, snipefishes, trumpetfishes, etc. Found on https://www.infoplease.com/dictionary/lophobranch