Oil of spike
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|(Chem.)||a colorless or yellowish aromatic oil extracted from the European broad-leaved lavender, or aspic (Lavendula Spica), used in artist's varnish and in veterinary medicine. It is often adulterated with oil of turpentine, which it much resembles.|
See also: Spike
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.