The Collaborative International Dictionary
Collenchyma
Collenchyma \Col*len"chy*ma\, n. [NL., fr. Gr. ko`lla glue + ? an infusion. Formed like parenchyma.] (Bot.) A tissue of vegetable cells which are thickend at the angles and (usually) elongated.
Wiktionary
collenchyma
n. (context biology English) A supporting ground tissue just under the surface of various leaf structures formed before vascular differentiation.