opercular
1 of 2adjective
oper·cu·lar ō-ˈpər-kyə-lər 
: of, relating to, or constituting an operculum
opercular
2 of 2noun
: an opercular part (such as a bone or scale)
Example Sentences
Recent Examples on the Web
Quanta Magazine, 5 Dec. 2013
Adjective
Some people consider the salience network to be the same as another network, called the cingulo-opercular network — the new Neuron paper, for example, refers to them interchangeably. Quanta Magazine, 5 Dec. 2013 Word History
Etymology
Adjective
borrowed from New Latin operculāris, from operculum operculum + Latin -āris -ar
First Known Use
Adjective
1830, in the meaning defined above
Noun
1841, in the meaning defined above