plural noun
Pneu·​mo·​noph·​o·​ra | \ ˌn(y)üməˈnäfərə\
variants: or Pneumonophorae \ -​əˌrē \

Definition of Pneumonophora

in former classifications
: a division of Holothurioidea comprising forms with a respiratory tree — compare apneumona

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History and Etymology for Pneumonophora

New Latin, from pneumon- + -phora or -phorae

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to mark by some ceremony or observation

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