English word coplane comes from English plane, English co-
| Dictionary entry | Language | Definition |
|---|---|---|
| plane | English (eng) | (transitive) To smooth (wood) with a plane. (anatomy) An imaginary plane which divides the body into two portions.. (computing, Unicode) Any of a number of designated ranges of sequential code points.. (geometry) A flat surface extending infinitely in all directions (e.g. horizontal or vertical plane).. A level of existence or development. (eg, astral plane). A level or flat surface.. A [...] |
| co- | English (eng) | (mathematics) of the opposite, of the counterpart; dual. Partner or subordinate in an activity. To the same degree. Together; mutually; jointly. |
| coplane | English (eng) | (math) The dual of a plane. |