φυκιώδης
From LSJ
καὶ λέγων ὅτι Πεπλήρωται ὁ καιρὸς καὶ ἤγγικεν ἡ βασιλεία τοῦ θεοῦ· μετανοεῖτε καὶ πιστεύετε ἐν τῷ εὐαγγελίῳ → declaring “The time has been accomplished and the kingdom of God is near: start repenting and believing in the gospel!” (Μark 1:15)
English (LSJ)
ες, A covered with seaweed, λίθοι Sch.Opp.H.3.420.
Greek (Liddell-Scott)
φῡκιώδης: -ες, κεκαλυμμένος φυκίοις, λίθοι Σχόλ. εἰς Ὀππ. Ἁλ. 3. 420.