Definitions

1. adjective

Relating to or resembling a submiliary line, especially a line of small dots or marks used to represent a minute division of time, especially in a chronometer.

“The watchmaker was known for his intricate submiliary markings on the timepiece’s face.”

2. noun

A small submiliary line, especially one used to represent a minute division of time.

“The submiliary lines on the watch’s face helped the owner to accurately set the time.”