ALGAE
alga, algae
(noun) primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
Source: WordNet® 3.1
Noun
algae
plural of alga
Noun
algae (usually uncountable, plural algaes)
Algal organisms viewed collectively or as a mass; algal growth.
(countable) A particular kind of algae.
Usage notes
• Etymologically, algae is the plural of alga, but algae is sometimes used as an uncountable noun with singular verb agreement (similar to the usage of the word seaweed), or as a count noun to refer to a type of algae. The plural form algaes may be considered nonstandard.
Anagrams
• Galea, galea
Source: Wiktionary
ALGA
Al"ga, n.; pl. Algæ. Etym: [L., seaweed.] (Bot.)
Definition: A kind of seaweed; pl. the class of cellular cryptogamic plants
which includes the black, red, and green seaweeds, as kelp, dulse,
sea lettuce, also marine and fresh water confervæ, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition