Heart-urchin
noun
1.
an echinoderm of the order Spatangoida, having an elongate, somewhat heart-shaped outer covering.
noun
1.
any echinoderm of the genus Echinocardium, having a heart-shaped body enclosed in a rigid spiny test: class Echinoidea (sea urchins)
Read Also:
- Heartwarming
[hahrt-wawr-ming] /ˈhɑrtˌwɔr mɪŋ/ adjective 1. gratifying; rewarding; satisfying: a heartwarming response to his work. adj. 1899, from heart + present participle of warm (v.).
- Heart-warming
[hahrt-wawr-ming] /ˈhɑrtˌwɔr mɪŋ/ adjective 1. gratifying; rewarding; satisfying: a heartwarming response to his work. adjective 1. pleasing; gratifying 2. emotionally moving adj. 1899, from heart + present participle of warm (v.).
- Heart-water
noun 1. (vet science) a tick-borne disease of cattle, sheep, and goats characterized by fluid accumulation in the pericardial sac. It is caused by the organism Rickettsia ruminantium
- Heart-whole
[hahrt-hohl] /ˈhɑrtˌhoʊl/ adjective 1. not in love. 2. wholehearted; sincere. adjective (rare) 1. not in love 2. sincere 3. stout-hearted
- Heartwood
[hahrt-woo d] /ˈhɑrtˌwʊd/ noun 1. the hard central of the trunk of an exogenous tree; duramen. /ˈhɑːtˌwʊd/ noun 1. the central core of dark hard wood in tree trunks, consisting of nonfunctioning xylem tissue that has become blocked with resins, tannins, and oils Compare sapwood heartwood (härt’wd’) The older, nonliving central wood of a tree […]