The word "doorplane" does not appear to have an established spelling or meaning. However, phonetically it can be transcribed as /dɔːrpleɪn/. This transcription suggests that the first syllable is pronounced with the vowel sound "aw" as in "law" and the second syllable has the long "a" sound as in "plane". The spelling of this word might have been influenced by the common word structures of the English language. Nevertheless, without context, it remains unclear what "doorplane" refers to or represents.