Greek: αγκυρα [agkura] (Noun feminine). Anchor.

αγκυρα [agkura] appears 4 times in the NT:

(1) Acts 27: 29
Then fearing lest we should have fallen upon rocks, they cast four anchors out of the stern, and wished for the day. - αγκυρας [agkuras] Accus. pl.

(2) Acts 27: 30
And as the shipmen were about to flee out of the ship, when they had let down the boat into the sea, under colour as though they would have cast anchors out of the foreship, - αγκυρας [agkuras] Accus. pl.

(3) Acts 27: 40
And when they had taken up the anchors, they committed themselves unto the sea, and loosed the rudder bands, and hoised up the mainsail to the wind, and made toward shore. - τας αγκυρας [tas agkuras] Accus. pl.

(4) Hebrews 6: 19
Which hope we have as an anchor of the soul, both sure and stedfast, and which entereth into that within the veil - αγκυραν [agkuran] Accus. sing.