In the Orthodox Church, not all monks are priests and not all priests are monks, but there are some monks who are also priests. :)
That is very fair enough, and thank you both. I guess I don't know, technically, what defines a monk.
A monk may be conveniently defined as a member of a community of men, leading a more or less contemplative life apart from the world, under the vows of poverty, chastity, and obedience, according to a rule characteristic of the particular order to which he belongs.[...]
the word monachus in the fourth century was freely used of those consecrated to God, whether they lived as hermits or in communities. So again St. Benedict a little later (c. 535) states at the beginning of his rule that there are four kinds of monks (monachi):
It is probably due to the fact that the Rule of St. Benedict so constantly describes the brethren as monachi and their residence as monaslerium, that a tradition has arisen according to which these terms in Latin and English (though not so uniformly in the case of the corresponding German and French works) are commonly applied only to those religious bodies which in some measure reproduce the conditions of life contemplated in the old Benedictine Rule. The mendicant friars, e.g. the Dominicans, Franciscans, Carmelites, etc., though they live in community and chant the Divine Office in choir, are not correctly described as monks. Their work of preaching, mixing with their fellow men in the world, soliciting alms, and moving from place to place, is inconsistent with the monastic ideal. The same is to be said of the "clerks regular", like the Jesuits, in whose rule the work of the apostolate is regarded as so important that it is considered incompatible with the obligation of singing office in choir. Again members of the religious congregations of men, which take simple but not solemn vows, are not usually designated as monks. On the other hand it should be noted that in former days a monk, even though he sang office in choir, was not necessarily a priest, the custom in this respect having changed a good deal since medieval times. Besides the Benedictines with their various modifications and offshoots, i.e. the Cluniacs, Cistercians, Trappists etc., the best known orders of monks are the Carthusians, the Premonstratensians, and the Camaldolese. The honorary prefix Dom, and abbreviation of Dominus is given to Benedictines and Carthusians.
- cenobites who live together under a rule or an abbot,
- anchorites or hermits, who after long training in the discipline of a community, go forth to lead a life of solitude (and of both of these classed he approves; but also
- "sarabites" and
- "girovagi" (wandering monks), whom he strongly condemns as men whose religious life is but a pretence, and who do their own without the restraint of obedience.