girthing

[ɡ??(r)θ]
n. (樹干,人腰身的)圍長;【建】圍梁;(馬等的)肚帶;大小
v. 包圍;給…緊肚帶;給…量圍長;圍長為
[網絡] 周長;腰圍;馬肚帶