Strong’s Hebrew
H7405 — rakac
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
רָכַס
rakac — pronounced raw-kas
a primitive root; to tie:--bind.
2 occurrences in the KJV.
Exodus 28:28
And they shall bind the breastplate by the rings thereof unto the rings of the ephod with a lace of blue, that it may be above the curious girdle of the ephod, and that the breastplate be not loosed from the ephod.
Exodus 39:21
And they did bind the breastplate by his rings unto the rings of the ephod with a lace of blue, that it might be above the curious girdle of the ephod, and that the breastplate might not be loosed from the ephod; as the LORD commanded Moses.