Boyd’s Bible Dictionary:

(smear). Highly prized, and made of perfumes in oil. For uses, see Oil.

Concise Bible Dictionary:

Except in Exodus 30:2525And thou shalt make it an oil of holy ointment, an ointment compound after the art of the apothecary: it shall be an holy anointing oil. (Exodus 30:25) (where the Hebrew words are mishchah and roqach, and may be translated “an oil of holy ointment, a perfume”), and in 1 Chronicles 9:3030And some of the sons of the priests made the ointment of the spices. (1 Chronicles 9:30) and Job 41:3131He maketh the deep to boil like a pot: he maketh the sea like a pot of ointment. (Job 41:31) (where the words are derived from roqach), the Hebrew word is shemen, which is constantly translated “oil.” It is used for “fatness, oil, spiced oil,” and hence “ointment,” with which on joyful occasions the head was anointed (Psa. 133:22It is like the precious ointment upon the head, that ran down upon the beard, even Aaron's beard: that went down to the skirts of his garments; (Psalm 133:2)), and is elsewhere called: “the oil of gladness” (Psa. 45:77Thou lovest righteousness, and hatest wickedness: therefore God, thy God, hath anointed thee with the oil of gladness above thy fellows. (Psalm 45:7); compare Prov. 27:9,169Ointment and perfume rejoice the heart: so doth the sweetness of a man's friend by hearty counsel. (Proverbs 27:9)
16Whosoever hideth her hideth the wind, and the ointment of his right hand, which bewrayeth itself. (Proverbs 27:16)
; Eccl. 7:11A good name is better than precious ointment; and the day of death than the day of one's birth. (Ecclesiastes 7:1); Eccl. 9:88Let thy garments be always white; and let thy head lack no ointment. (Ecclesiastes 9:8); Amos 6:66That drink wine in bowls, and anoint themselves with the chief ointments: but they are not grieved for the affliction of Joseph. (Amos 6:6)). As an emollient it was applied to wounds or bruises (Isa. 1:66From the sole of the foot even unto the head there is no soundness in it; but wounds, and bruises, and putrifying sores: they have not been closed, neither bound up, neither mollified with ointment. (Isaiah 1:6)). In the New Testament the word is μύρον, “oil mingled with fragrant spices,” with such Mary anointed the Lord, and its perfume filled the house (John 12:3,53Then took Mary a pound of ointment of spikenard, very costly, and anointed the feet of Jesus, and wiped his feet with her hair: and the house was filled with the odor of the ointment. (John 12:3)
5Why was not this ointment sold for three hundred pence, and given to the poor? (John 12:5)
); it was also used by a woman “which was a sinner” (Luke 7:37-3837And, behold, a woman in the city, which was a sinner, when she knew that Jesus sat at meat in the Pharisee's house, brought an alabaster box of ointment, 38And stood at his feet behind him weeping, and began to wash his feet with tears, and did wipe them with the hairs of her head, and kissed his feet, and anointed them with the ointment. (Luke 7:37‑38)). The ointment would be more or less costly according to the ingredients.

Strong’s Dictionary of Greek Words:

probably of foreign origin (compare 4753, 4666); "myrrh", i.e. (by implication) perfumed oil
KJV Usage: