The word "rend air" is actually two separate words: "rend" and "air." "Rend" means to tear apart or separate something, while "air" is the invisible gas we breathe. The phonetic transcription of "rend" is /rɛnd/, with the "e" pronounced like the "e" in "bed," and the "d" at the end pronounced as a voiced consonant. "Air," on the other hand, is transcribed as /ɛr/, with a long "e" sound followed by a single "r."
There is no formal dictionary definition for the term "rend air." It appears to be a unique phrase or combination of words that does not have a widely recognized meaning. "Rend" means to tear or split forcefully, while "air" typically refers to the invisible gaseous substance surrounding the Earth. However, when used together, "rend air" does not have an established definition within the English language.
It is possible that the phrase could have a specific meaning within a particular context, such as a technical or professional field, or it could be a creative expression or wordplay invented by an individual. Without further information or context, it is difficult to determine the intended meaning behind "rend air." It is recommended to seek clarification from the source or context in which the term is being used to understand its specific definition.