present participle of double-tap

(historical) A form of land taxation that replaced Danegeld in twelfth-century England. / (obsolete) The act of ploughing.

simple past tense and past participle of blip

(transitive, nautical) To raise the point of (a gaff) closer to perpendicular. / To reach a highest degree or maximum. / To rise or extend into a peak or point; to form, or appear as, a peak.