Buddhist Lexicon

Theravada Buddhism :
one of the oldest schools of Buddhism, based on the teachings of the Buddha preserved in the Pali Canon, practiced mainly in countries such as Thailand, Sri Lanka, Myanmar, Laos, and Cambodia.

Four Noble Truths :
the fundamental teachings of the Buddha explaining the nature of suffering, its cause, its cessation, and the path leading to the end of suffering

Eightfold Path :
the path taught by the Buddha to end suffering and reach enlightenment, consisting of eight practices: right view, right intention, right speech, right action, right livelihood, right effort, right mindfulness, and right concentration

Pali Canon :
the oldest collection of Buddhist scriptures, written in the Pali language, containing the teachings of the Buddha and forming the main religious texts of Theravada Buddhism

Vinaya :
the collection of monastic rules and disciplinary regulations that govern the conduct and daily life of Buddhist monks and nuns within the monastic community.

Ordination :
the religious ceremony in which a person officially enters the monastic community and becomes a monk or nun, taking vows and committing to follow the monastic rules.

Bhikkhuni :
fully ordained female Buddhist monk who has taken vows and entered the Buddhist monastic community, orange robe

Bhikkhu :
fully ordained male Buddhist monk who has taken vows and entered the Buddhist monastic community (Sangha), he follows the monastic discipline and traditionally wears orange or saffron robes.

Mae Chi :
in Thailand, female renunciants who have taken vows of celibacy and asceticism, they wear white robes. In Cambodia they are called Donchee

Samaneri :
female novice training to potentially become fully ordained Bhikkhuni 

Abbot :
head Monk of a monastery

Pabbaja :
the novice ordination in Buddhism, ceremony in which a person renounces lay life and enters the monastic community as a novice monk or nun.

Puja :
a ritual of worship in which devotees show respect and devotion to the Buddha, deities, or sacred objects through offerings (usually milk rice, drinks, oil lamps, flowers and encent), prayers, and chanting 

Bintabad :
every morning, monastics walk through the community with their alms bowls to receive food offerings from laypeople as part of their daily sustenance