calling

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An inner urge or a strong impulse, especially one believed to be divinely inspired.
• noun An occupation, profession, or career.

from The Century Dictionary.

• noun The act of summoning; a call or summons.
• noun The act of convoking or assembling.
• noun An invitation.
• noun The profession, trade, occupation, or employment to which one is called by aptitude, necessity, etc.; usual occupation, profession, or employment; vocation.
• noun Name; appellation; title.
• noun Synonyms Pursuit, business, etc. See occupation.
• Clamant; crying

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of one who calls; a crying aloud, esp. in order to summon, or to attact the attention of, some one.
• noun A summoning or convocation, as of Parliament.
• noun A divine summons or invitation; also, the state of being divinely called.
• noun A naming, or inviting; a reading over or reciting in order, or a call of names with a view to obtaining an answer, as in legislative bodies.
• noun One's usual occupation, or employment; vocation; business; trade.
• noun The persons, collectively, engaged in any particular professions or employment.
• noun obsolete Title; appellation; name.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Present participle of call.
• noun A strong urge to become religious.
• noun A job or occupation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the particular occupation for which you are trained