To specify: to mention specifically.
To become distinct or separate from what is common
To focus one's study upon a particular skill, field, topic, or genre.
To make distinct or separate due to form or function.
To narrow in scope.
To be known or notorious for some specialty.
To focus one's business upon a particular item or service.
To work (something); often with out.
To struggle.
To labour; work.
To weary through excessive labour.
Trouble, strife.
Labour, work, especially of a grueling nature.
A net or snare; any thread, web, or string spread for taking prey.