firstline
nounUK /ˈfɜːstlaɪn/
US /ˈfɜːrstlaɪn/
The first line is the very first row of words you read.
The firstline of the poem made everyone smile.
OTHER MEANINGS
2. The first row of people or things standing in a group.
She stood in the firstline of the parade.
3. The main or most important group of people doing a job.
The firstline workers helped everyone stay safe.
4. The first line of text in a computer file or message.
The program reads the firstline to find the name.