a.[ L. spinescens, -entis, p. pr. of spinescere to know to grow thorny, fr. spina a thorn: cf. F. spinescent. ] (Bot.) Becoming hard and thorny; tapering gradually to a rigid, leafless point; armed with spines. Gray. [ 1913 Webster ]

a. [ L. senescent, p. pr. of senescere to grow old, incho. fr. senere to be old. ] Growing old; decaying with the lapse of time. “The night was senescent.” Poe. “With too senescent air.” Lowell. [ 1913 Webster ]

a. [ L. senescent, p. pr. of senescere to grow old, incho. fr. senere to be old. ] Growing old; decaying with the lapse of time. “The night was senescent.” Poe. “With too senescent air.” Lowell. [ 1913 Webster ]