grommet
Longman Dictionary of Contemporary English 5++LDOCE 5++grom·met /ˈɡrɒmɪt $ ˈɡrɑː-/ noun [countable] 1. TDa small metal ring that is used around a hole in cloth or leather to make it stronger 金属扣眼2. MH British English a small piece of plastic that a doctor puts into a child’s ear in order to remove liquid from it 鼓室通气管，中耳引流管〔放入儿童耳中以除去耳内液体的塑料制品〕
Examples from the Corpus
grommet• This small sample shows end caps, stand-off caps, clips and grommets.• He was put on the waiting list for insertion of grommets.• In clinical practice grommet insertion may be performed for a number of different indications apart from hearing loss.• The cover is lockable and theft resistant, with reinforced grommets that work with cable or bar locks.Origin grommet (1600-1700) From early French gormette “one of the leather bands around a horse's head”grom·met nounChineseSyllable
small a is that Corpus metal used ring
grommet
grom‧met /ˈɡrɒmət, ˈɡrɒmɪt $ ˈɡrɑː-/
noun [countable]
2. British English a small piece of plastic that a doctor puts into a child’s ear in order to remove liquid from it
grom‧met /ˈɡrɒmət, ˈɡrɒmɪt $ ˈɡrɑː-/
noun [countable] Date: 1600-1700
Origin: From early French gormette 'one of the leather bands around a horse's head'
1. a small metal ring that is used around a hole in cloth or leather to make it strongerOrigin: From early French gormette 'one of the leather bands around a horse's head'
2. British English a small piece of plastic that a doctor puts into a child’s ear in order to remove liquid from it