The Collaborative International Dictionary of English v.0.48:
Acuate \Ac"u*ate\, v. t. [L. acus needle.] To sharpen; to make pungent; to quicken. [Obs.] "[To] acuate the blood." --Harvey. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Acuate \Ac"u*ate\, a. Sharpened; sharp-pointed. [1913 Webster]WordNet (r) 3.0 (2006):
acuate adj 1: ending in a sharp point [syn: acuate, acute, sharp, needlelike]