Single-Surfaced
From BiblePortal Wikipedia
Single-Surfaced [1]
(a.) Having one surface; - said specif. of aeroplanes or aerocurves that are covered with fabric, etc., on only one side.
Single-Surfaced [1]
(a.) Having one surface; - said specif. of aeroplanes or aerocurves that are covered with fabric, etc., on only one side.