Lexical Definition

‎כָּהַן‎ kâhan (kaw-han') to minister ^H:V
a primitive root, apparently meaning to mediate in religious services; but used only as denominative from ‎כֹּהֵן‎

deck, be (do the office of a, execute the, minister in the) priest('s office).

• to officiate as a priest
• figuratively, to put on regalia

1) to act as a priest, minister in a priest's office
1a) (Piel)
1a1) to minister as a priest, serve as a priest
1a2) to be or become a priest
1a3) to play the priest

See Greek: ἀδελφός · ἀρχιερεύς · ἱερατεία · ἱεράτευμα · ἱερατεύω · ἱερεύς · ἱερωσύνη · λειτουργέω · περιτίθημι

Brown-Driver-Briggs

II. [‎כָּהַן‎] verb only Pi`el denominative act as priest; — Perfect ‎כִּהֵן‎ Exod 40:13; 1Chr 5:36* 3 masculine plural ‎כִּהֲנוּ‎ Exod 28:41; Exod 40:15 Imperfect 3 masculine singular ‎יְכַהֵן‎ Num 3:4 + 2 t.; plural ‎יְכַהֲנוּ‎ 1Chr 24:2 Infinitive construct ‎כַּהֵן‎ Exod 29:1 + 11 t.; suffix ‎כַּהֲנוֺ‎ Exod 28:1; Exod 28:3; Exod 28:4. —

1. minister as a priest, absolute Exod 31:10; Exod 35:19; Exod 39:41; Lev 16:32; Num 3:3; Num 3:4 (all P); ‎לִי‎ ‎׳‎‎כ‎ minister to me (‎׳‎‎י‎) Exod 28:1; Exod 28:3; Exod 28:4; Exod 28:41; Exod 29:1; Exod 29:44; Exod 30:30; Exod 40:13; Exod 40:15 (all P), Ezek 44:13; Hos 4:6 ‎ליהוה‎ ‎׳‎‎כ‎ Lev 7:35 (P), 1Chr 5:36*; 1Chr 24:2; 2Chr 11:14 (always of Aaron and his sons, except Ezek 44:13; 2Chr 11:14, where Levites are forbidden to minister; and Hos 4:6 of Israel, whose national priesthood is taken away).

2. be or become priest Deut 10:6 (E ?).

3. play the priest: ‎כֶּחָתָן יְכַהֵן פְּאֵר‎ Isa 61:10 as a bridegroom (that) priests it with his turban, decks himself with a splendid turban such as the priests wore.

Brown-Driver-Briggs References