Melissa

n. female first name; computer virus that infects Word 97 and 2000 files and spreads itself via the Microsoft Outlook email program (Internet)

n. type of flower attractive to bees and hummingbirds for its sweet fragrance

MELiSSA (Micro-Ecological Life Support System Alternative) is a European Space Agency project which aims to develop the technology required for a future biological life support system for long term manned space missions. MELiSSA utilizes Co2 and waste from the crew of a spacecraft and turns it into breathable air and food. This feat is accomplished through the use of bacteria and plants.
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Melissa is a given name for a female. It has a Greek origin, meaning honey bee. The species name for honey bee is Apis mellifera derived from the greek "melli" = honey and "fera" = wild beast.In 2006, Melissa was the 117th most popular name in the  United States dropping steadily from 2nd in 1977. It was in the top 10 most popular names for girls from 1967 to 1984
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Noun
1. a genus of Old World mints of the family Labiatae
(synonym) genus Melissa
(hypernym) asterid dicot genus
(member-holonym) Labiatae, family Labiatae, Lamiaceae, family Lamiaceae, mint family
(member-meronym) lemon balm, garden balm, sweet balm, bee balm, beebalm, Melissa officinalis

n. Melissa, female first name; type of flower attractive to bees and hummingbirds for its sweet fragrance

n. melissa, type of flower attractive to bees and hummingbirds for its sweet fragrance

n. Melissa, female first name; computer virus that infects Word 97 and 2000 files and spreads itself via the Microsoft Outlook email program (Internet)