Indeed, from PTS dictionary it said:
- circle DN.i.134 (paṭhavi˚, cp. puthavi˚ Snp.990); Vism.143 (˚ṃ karoti to draw a circle, in simile), Vism.174 (tipu˚ & rajata˚ lead- & silver circle, in kasiṇa practice); Vv-a.147 (of a fan = tālapattehi kata˚-vījanī).
- the disk of the sun or moon; suriya˚; Vv-a.224, Vv-a.271 (divasa-kara˚); canda˚ Vism.174; Pv-a.65.
- a round, flat surface, e.g. jānu˚ the disk of the knee, i.e. the knee Pv-a.179 naḷāta˚ the (whole of the) forehead DN.i.106; Snp.p.108
- an enclosed part of space in which something happens, a circus ring; e.g. MN.i.446