'String' in the Bible

Now she had liers-in-wait abiding in the inner chamber. And she said unto him, The Philistines are upon thee, Samson. And he brake the withes, as a string of tow is broken when it toucheth the fire. So his strength was not known.

For, lo, the wicked bend the bow, They make ready their arrow upon the string, That they may shoot in darkness at the upright in heart;