Jacana
<ornithology> Any of several wading birds belonging to the genus Jacana and several allied genera, all of which ha (more...)

Jacaranda
<botany> The native Brazilian name for certain leguminous trees, which produce the beautiful woods called king woo (more...)

Jacare
<zoology> A cayman. See Yacare.

Jaccard Coefficient
<zoology> An association coefficient used in numerical taxonomy, it is the proportion of characters that match, ex (more...)

Jacchus
<zoology> The common marmoset (Hapale vulgaris). Formerly, the name was also applied to other species of the same (more...)

Jaccoud, Francois Sigismond
<person> French physician, 1830-1913.

Jaccoud's Arthritis
A rare form of chronic arthritis, reported to occur after attacks of acute rheumatic fever, characterised by an unusual (more...)

Jack
<marine biology> Young salmon, usually a male, that matures precociously.

Jackal
1. <zoology> Any one of several species of carnivorous animals inhabiting Africa and Asia, related to the dog and (more...)

Jackass
1. The male ass; a donkey.