Decubitus

//dɪˈkjuː.bɪt.əs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The posture of someone in bed, lying down or reclining.

    "The initial recesses of the pleural cavity filled with blood effusion are declivitous; they can vary according to the decubitus, whereas, with the progressive filling of the pleural cavity, blood is invariably collected in the lateral pleural spaces over the apex of the lung (apical cap): they are very large pleural effusions, in the order of about 800-1200 cc."

  2. 2
    a reclining position (as in a bed) wordnet
  3. 3
    Ellipsis of decubitus ulcer. abbreviation, alt-of, ellipsis

Synonyms

All synonyms
bedsorepressure ulcer

Example

More examples

"The initial recesses of the pleural cavity filled with blood effusion are declivitous; they can vary according to the decubitus, whereas, with the progressive filling of the pleural cavity, blood is invariably collected in the lateral pleural spaces over the apex of the lung (apical cap): they are very large pleural effusions, in the order of about 800-1200 cc."

Etymology

Borrowed from New Latin dēcubitus (“lying down”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.