N. Amer. <北美>
a short line of gut or horsehair by which a fish-hook is attached to a longer line
（用以连接钓钩与钓线的）系钩线。
with obj.
tie or fasten (a hook) to a line
用系钩线把（钓钩）系在钓线上：
as adj. snelled a snelled or long-shanked hook.
系在钓线上的或是装有长柄的钩子。
词源
mid 19th cent.: of unknown origin.