名词看门人
1. 河口：osteocolla 多孔石灰华 | ostiary 河口 | ostracoda 介形类
2. 看门人：osteotomy 切骨术 | ostiary 看门人 | ostiole 小孔
noun
1. ostiary的意思
1. someone who guards an entrance
Synonym: doorkeeper doorman door guard hall porter porter gatekeeper
2. the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church
Synonym: doorkeeper ostiarius